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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   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.app.AlertDialog;
  25 import android.app.ProgressDialog;
  26 import android.app.AlertDialog.Builder;
  27 import android.app.Dialog;
  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.DialogInterface.OnClickListener;
  34 import android.content.Intent;
  35 import android.content.IntentFilter;
  36 import android.content.ServiceConnection;
  37 import android.content.SharedPreferences;
  38 import android.content.SharedPreferences.Editor;
  39 import android.content.pm.PackageInfo;
  40 import android.content.pm.PackageManager.NameNotFoundException;
  41 import android.content.res.Resources.NotFoundException;
  42 import android.database.Cursor;
  43 import android.graphics.Bitmap;
  44 import android.graphics.drawable.BitmapDrawable;
  45 import android.net.Uri;
  46 import android.os.Bundle;
  47 import android.os.Handler;
  48 import android.os.IBinder;
  49 import android.preference.PreferenceManager;
  50 import android.provider.MediaStore;
  51 import android.support.v4.app.Fragment;
  52 import android.support.v4.app.FragmentTransaction;
  53 import android.util.Log;
  54 import android.view.View;
  55 import android.view.ViewGroup;
  56 import android.widget.ArrayAdapter;
  57 import android.widget.EditText;
  58 import android.widget.TextView;
  59 import android.widget.Toast;
  60
  61 import com.actionbarsherlock.app.ActionBar;
  62 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  63 import com.actionbarsherlock.app.SherlockFragmentActivity;
  64 import com.actionbarsherlock.view.Menu;
  65 import com.actionbarsherlock.view.MenuInflater;
  66 import com.actionbarsherlock.view.MenuItem;
  67 import com.actionbarsherlock.view.Window;
  68 import com.owncloud.android.AccountUtils;
  69 import com.owncloud.android.authenticator.AccountAuthenticator;
  70 import com.owncloud.android.datamodel.DataStorageManager;
  71 import com.owncloud.android.datamodel.FileDataStorageManager;
  72 import com.owncloud.android.datamodel.OCFile;
  73 import com.owncloud.android.files.services.FileDownloader;
  74 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  75 import com.owncloud.android.files.services.FileObserverService;
  76 import com.owncloud.android.files.services.FileUploader;
  77 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  78 import com.owncloud.android.network.OwnCloudClientUtils;
  79 import com.owncloud.android.operations.OnRemoteOperationListener;
  80 import com.owncloud.android.operations.RemoteOperation;
  81 import com.owncloud.android.operations.RemoteOperationResult;
  82 import com.owncloud.android.operations.RemoveFileOperation;
  83 import com.owncloud.android.operations.RenameFileOperation;
  84 import com.owncloud.android.operations.SynchronizeFileOperation;
  85 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  86 import com.owncloud.android.syncadapter.FileSyncService;
  87 import com.owncloud.android.ui.dialog.ChangelogDialog;
  88 import com.owncloud.android.ui.dialog.SslValidatorDialog;
  89 import com.owncloud.android.ui.dialog.SslValidatorDialog.OnSslValidatorListener;
  90 import com.owncloud.android.ui.fragment.FileDetailFragment;
  91 import com.owncloud.android.ui.fragment.FileFragment;
  92 import com.owncloud.android.ui.fragment.FilePreviewFragment;
  93 import com.owncloud.android.ui.fragment.OCFileListFragment;
  94
  95 import com.owncloud.android.R;
  96 import eu.alefzero.webdav.WebdavClient;
  97
  98 /**
  99  * Displays, what files the user has available in his ownCloud.
 100  *
 101  * @author Bartek Przybylski
 102  *
 103  */
 104
 105 public class FileDisplayActivity extends SherlockFragmentActivity implements
 106     OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNavigationListener, OnSslValidatorListener, OnRemoteOperationListener {
 107
 108     private ArrayAdapter<String> mDirectories;
 109     private OCFile mCurrentDir = null;
 110     private OCFile mCurrentFile = null;
 111
 112     private DataStorageManager mStorageManager;
 113     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 114     private UploadFinishReceiver mUploadFinishReceiver;
 115     private DownloadFinishReceiver mDownloadFinishReceiver;
 116     private FileDownloaderBinder mDownloaderBinder = null;
 117     private FileUploaderBinder mUploaderBinder = null;
 118     private ServiceConnection mDownloadConnection = null, mUploadConnection = null;
 119     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 120
 121     private OCFileListFragment mFileList;
 122
 123     private boolean mDualPane;
 124
 125     private static final int DIALOG_SETUP_ACCOUNT = 0;
 126     private static final int DIALOG_CREATE_DIR = 1;
 127     private static final int DIALOG_ABOUT_APP = 2;
 128     public static final int DIALOG_SHORT_WAIT = 3;
 129     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 4;
 130     private static final int DIALOG_SSL_VALIDATOR = 5;
 131     private static final int DIALOG_CERT_NOT_SAVED = 6;
 132     private static final String DIALOG_CHANGELOG_TAG = "DIALOG_CHANGELOG";
 133
 134
 135     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 136     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 137
 138     private static final String TAG = "FileDisplayActivity";
 139
 140     private static int[] mMenuIdentifiersToPatch = {R.id.about_app};
 141
 142     @Override
 143     public void onCreate(Bundle savedInstanceState) {
 144         Log.d(getClass().toString(), "onCreate() start");
 145         super.onCreate(savedInstanceState);
 146
 147         /// Load of parameters from received intent
 148         mCurrentDir = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE); // no check necessary, mCurrenDir == null if the parameter is not in the intent
 149         Account account = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT);
 150         if (account != null)
 151             AccountUtils.setCurrentOwnCloudAccount(this, account.name);
 152
 153         /// Load of saved instance state: keep this always before initDataFromCurrentAccount()
 154         if(savedInstanceState != null) {
 155             // TODO - test if savedInstanceState should take precedence over file in the intent ALWAYS (now), NEVER, or SOME TIMES
 156             mCurrentDir = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 157         }
 158
 159         if (!AccountUtils.accountsAreSetup(this)) {
 160             /// no account available: FORCE ACCOUNT CREATION
 161             mStorageManager = null;
 162             createFirstAccount();
 163
 164         } else {    /// at least an account is available
 165
 166             initDataFromCurrentAccount();   // it checks mCurrentDir and mCurrentFile with the current account
 167
 168         }
 169
 170         mUploadConnection = new ListServiceConnection();
 171         mDownloadConnection = new ListServiceConnection();
 172         bindService(new Intent(this, FileUploader.class), mUploadConnection, Context.BIND_AUTO_CREATE);
 173         bindService(new Intent(this, FileDownloader.class), mDownloadConnection, Context.BIND_AUTO_CREATE);
 174
 175         // PIN CODE request ;  best location is to decide, let's try this first
 176         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 177             requestPinCode();
 178         }
 179
 180         // file observer
 181         Intent observer_intent = new Intent(this, FileObserverService.class);
 182         observer_intent.putExtra(FileObserverService.KEY_FILE_CMD, FileObserverService.CMD_INIT_OBSERVED_LIST);
 183         startService(observer_intent);
 184
 185
 186         /// USER INTERFACE
 187         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 188
 189         // Drop-down navigation
 190         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 191         OCFile currFile = mCurrentDir;
 192         while(currFile != null && currFile.getFileName() != OCFile.PATH_SEPARATOR) {
 193             mDirectories.add(currFile.getFileName());
 194             currFile = mStorageManager.getFileById(currFile.getParentId());
 195         }
 196         mDirectories.add(OCFile.PATH_SEPARATOR);
 197
 198         // Inflate and set the layout view
 199         setContentView(R.layout.files);
 200         mFileList = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 201         mDualPane = (findViewById(R.id.file_details_container) != null);
 202         if (mDualPane) {
 203             initFileDetailsInDualPane();
 204         }
 205
 206         // Action bar setup
 207         ActionBar actionBar = getSupportActionBar();
 208         actionBar.setHomeButtonEnabled(true);   // mandatory since Android ICS, according to the official documentation
 209         actionBar.setDisplayHomeAsUpEnabled(mCurrentDir != null && mCurrentDir.getParentId() != 0);
 210         actionBar.setDisplayShowTitleEnabled(false);
 211         actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 212         actionBar.setListNavigationCallbacks(mDirectories, this);
 213         setSupportProgressBarIndeterminateVisibility(false);        // always AFTER setContentView(...) ; to workaround bug in its implementation
 214
 215
 216         // show changelog, if needed
 217         showChangeLog();
 218
 219         Log.d(getClass().toString(), "onCreate() end");
 220     }
 221
 222
 223     /**
 224      * Shows a dialog with the change log of the current version after each app update
 225      *
 226      *  TODO make it permanent; by now, only to advice the workaround app for 4.1.x
 227      */
 228     private void showChangeLog() {
 229         if (android.os.Build.VERSION.SDK_INT == android.os.Build.VERSION_CODES.JELLY_BEAN) {
 230             final String KEY_VERSION = "version";
 231             SharedPreferences sharedPref = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
 232             int currentVersionNumber = 0;
 233             int savedVersionNumber = sharedPref.getInt(KEY_VERSION, 0);
 234             try {
 235                 PackageInfo pi          = getPackageManager().getPackageInfo(getPackageName(), 0);
 236                 currentVersionNumber    = pi.versionCode;
 237             } catch (Exception e) {}
 238
 239             if (currentVersionNumber > savedVersionNumber) {
 240                 ChangelogDialog.newInstance(true).show(getSupportFragmentManager(), DIALOG_CHANGELOG_TAG);
 241                 Editor editor   = sharedPref.edit();
 242                 editor.putInt(KEY_VERSION, currentVersionNumber);
 243                 editor.commit();
 244             }
 245         }
 246     }
 247
 248
 249     /**
 250      * Launches the account creation activity. To use when no ownCloud account is available
 251      */
 252     private void createFirstAccount() {
 253         Intent intent = new Intent(android.provider.Settings.ACTION_ADD_ACCOUNT);
 254         intent.putExtra(android.provider.Settings.EXTRA_AUTHORITIES, new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 255         startActivity(intent);  // the new activity won't be created until this.onStart() and this.onResume() are finished;
 256     }
 257
 258
 259     /**
 260      *  Load of state dependent of the existence of an ownCloud account
 261      */
 262     private void initDataFromCurrentAccount() {
 263         /// Storage manager initialization - access to local database
 264         mStorageManager = new FileDataStorageManager(
 265                 AccountUtils.getCurrentOwnCloudAccount(this),
 266                 getContentResolver());
 267
 268         /// Check if mCurrentDir is a directory
 269         if(mCurrentDir != null && !mCurrentDir.isDirectory()) {
 270             mCurrentFile = mCurrentDir;
 271             mCurrentDir = mStorageManager.getFileById(mCurrentDir.getParentId());
 272         }
 273
 274         /// Check if mCurrentDir and mCurrentFile are in the current account, and update them
 275         if (mCurrentDir != null) {
 276             mCurrentDir = mStorageManager.getFileByPath(mCurrentDir.getRemotePath());   // mCurrentDir == null if it is not in the current account
 277         }
 278         if (mCurrentFile != null) {
 279             if (mCurrentFile.fileExists()) {
 280                 mCurrentFile = mStorageManager.getFileByPath(mCurrentFile.getRemotePath());   // mCurrentFile == null if it is not in the current account
 281             }   // 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
 282         }
 283
 284         /// Default to root if mCurrentDir was not found
 285         if (mCurrentDir == null) {
 286             mCurrentDir = mStorageManager.getFileByPath("/"); // will be NULL if the database was never synchronized
 287         }
 288     }
 289
 290
 291     private void initFileDetailsInDualPane() {
 292         if (mDualPane && getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG) == null) {
 293             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 294             if (mCurrentFile != null) {
 295                 if (FilePreviewFragment.canBePreviewed(mCurrentFile)) {
 296                     transaction.replace(R.id.file_details_container, new FilePreviewFragment(mCurrentFile, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
 297                 } else {
 298                     transaction.replace(R.id.file_details_container, new FileDetailFragment(mCurrentFile, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
 299                 }
 300                 mCurrentFile = null;
 301
 302             } else {
 303                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FileDetailFragment.FTAG); // empty FileDetailFragment
 304             }
 305             transaction.commit();
 306         }
 307     }
 308
 309
 310     @Override
 311     public void onDestroy() {
 312         super.onDestroy();
 313         if (mDownloadConnection != null)
 314             unbindService(mDownloadConnection);
 315         if (mUploadConnection != null)
 316             unbindService(mUploadConnection);
 317     }
 318
 319
 320     @Override
 321     public boolean onCreateOptionsMenu(Menu menu) {
 322         MenuInflater inflater = getSherlock().getMenuInflater();
 323             inflater.inflate(R.menu.menu, menu);
 324
 325             patchHiddenAccents(menu);
 326
 327             return true;
 328     }
 329
 330     /**
 331      * Workaround for this: <a href="http://code.google.com/p/android/issues/detail?id=3974">http://code.google.com/p/android/issues/detail?id=3974</a>
 332      *
 333      * @param menu      Menu to patch
 334      */
 335     private void patchHiddenAccents(Menu menu) {
 336         for (int i = 0; i < mMenuIdentifiersToPatch.length ; i++) {
 337             MenuItem aboutItem = menu.findItem(mMenuIdentifiersToPatch[i]);
 338             if (aboutItem != null && aboutItem.getIcon() instanceof BitmapDrawable) {
 339                 // Clip off the bottom three (density independent) pixels of transparent padding
 340                 Bitmap original = ((BitmapDrawable) aboutItem.getIcon()).getBitmap();
 341                 float scale = getResources().getDisplayMetrics().density;
 342                 int clippedHeight = (int) (original.getHeight() - (3 * scale));
 343                 Bitmap scaled = Bitmap.createBitmap(original, 0, 0, original.getWidth(), clippedHeight);
 344                 aboutItem.setIcon(new BitmapDrawable(getResources(), scaled));
 345             }
 346         }
 347     }
 348
 349
 350     @Override
 351     public boolean onOptionsItemSelected(MenuItem item) {
 352         boolean retval = true;
 353         switch (item.getItemId()) {
 354             case R.id.createDirectoryItem: {
 355                 showDialog(DIALOG_CREATE_DIR);
 356                 break;
 357             }
 358             case R.id.startSync: {
 359                 startSynchronization();
 360                 break;
 361             }
 362             case R.id.action_upload: {
 363                 showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 364                 break;
 365             }
 366             case R.id.action_settings: {
 367                 Intent settingsIntent = new Intent(this, Preferences.class);
 368                 startActivity(settingsIntent);
 369                 break;
 370             }
 371             case R.id.about_app : {
 372                 showDialog(DIALOG_ABOUT_APP);
 373                 break;
 374             }
 375             case android.R.id.home: {
 376                 if(mCurrentDir != null && mCurrentDir.getParentId() != 0){
 377                     onBackPressed();
 378                 }
 379                 break;
 380             }
 381             default:
 382                 retval = super.onOptionsItemSelected(item);
 383         }
 384         return retval;
 385     }
 386
 387     private void startSynchronization() {
 388         ContentResolver.cancelSync(null, AccountAuthenticator.AUTH_TOKEN_TYPE);   // cancel the current synchronizations of any ownCloud account
 389         Bundle bundle = new Bundle();
 390         bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 391         ContentResolver.requestSync(
 392                 AccountUtils.getCurrentOwnCloudAccount(this),
 393                 AccountAuthenticator.AUTH_TOKEN_TYPE, bundle);
 394     }
 395
 396
 397     @Override
 398     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 399         int i = itemPosition;
 400         while (i-- != 0) {
 401             onBackPressed();
 402         }
 403         // the next operation triggers a new call to this method, but it's necessary to
 404         // ensure that the name exposed in the action bar is the current directory when the
 405         // user selected it in the navigation list
 406         if (itemPosition != 0)
 407             getSupportActionBar().setSelectedNavigationItem(0);
 408         return true;
 409     }
 410
 411     /**
 412      * Called, when the user selected something for uploading
 413      */
 414     public void onActivityResult(int requestCode, int resultCode, Intent data) {
 415
 416         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 417             requestSimpleUpload(data, resultCode);
 418
 419         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 420             requestMultipleUpload(data, resultCode);
 421
 422         }
 423     }
 424
 425     private void requestMultipleUpload(Intent data, int resultCode) {
 426         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 427         if (filePaths != null) {
 428             String[] remotePaths = new String[filePaths.length];
 429             String remotePathBase = "";
 430             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 431                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 432             }
 433             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 434                 remotePathBase += OCFile.PATH_SEPARATOR;
 435             for (int j = 0; j< remotePaths.length; j++) {
 436                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 437             }
 438
 439             Intent i = new Intent(this, FileUploader.class);
 440             i.putExtra(FileUploader.KEY_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
 441             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 442             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 443             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 444             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 445                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 446             startService(i);
 447
 448         } else {
 449             Log.d("FileDisplay", "User clicked on 'Update' with no selection");
 450             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 451             t.show();
 452             return;
 453         }
 454     }
 455
 456
 457     private void requestSimpleUpload(Intent data, int resultCode) {
 458         String filepath = null;
 459         try {
 460             Uri selectedImageUri = data.getData();
 461
 462             String filemanagerstring = selectedImageUri.getPath();
 463             String selectedImagePath = getPath(selectedImageUri);
 464
 465             if (selectedImagePath != null)
 466                 filepath = selectedImagePath;
 467             else
 468                 filepath = filemanagerstring;
 469
 470         } catch (Exception e) {
 471             Log.e("FileDisplay", "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 472             e.printStackTrace();
 473
 474         } finally {
 475             if (filepath == null) {
 476                 Log.e("FileDisplay", "Couldnt resolve path to file");
 477                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 478                 t.show();
 479                 return;
 480             }
 481         }
 482
 483         Intent i = new Intent(this, FileUploader.class);
 484         i.putExtra(FileUploader.KEY_ACCOUNT,
 485                 AccountUtils.getCurrentOwnCloudAccount(this));
 486         String remotepath = new String();
 487         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 488             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 489         }
 490         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 491             remotepath += OCFile.PATH_SEPARATOR;
 492         remotepath += new File(filepath).getName();
 493
 494         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 495         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 496         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 497         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 498             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 499         startService(i);
 500     }
 501
 502
 503     @Override
 504     public void onBackPressed() {
 505         if (mDirectories.getCount() <= 1) {
 506             finish();
 507             return;
 508         }
 509         popDirname();
 510         mFileList.onNavigateUp();
 511         mCurrentDir = mFileList.getCurrentFile();
 512
 513         if (mDualPane) {
 514             // Resets the FileDetailsFragment on Tablets so that it always displays
 515             Fragment fileFragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 516             if (fileFragment != null && (fileFragment instanceof FilePreviewFragment || !((FileDetailFragment) fileFragment).isEmpty())) {
 517                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 518                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FileDetailFragment.FTAG); // empty FileDetailFragment
 519                 transaction.commit();
 520             }
 521         }
 522
 523         if(mCurrentDir.getParentId() == 0){
 524             ActionBar actionBar = getSupportActionBar();
 525             actionBar.setDisplayHomeAsUpEnabled(false);
 526         }
 527     }
 528
 529     @Override
 530     protected void onSaveInstanceState(Bundle outState) {
 531         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 532         Log.d(getClass().toString(), "onSaveInstanceState() start");
 533         super.onSaveInstanceState(outState);
 534         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mCurrentDir);
 535         if (mDualPane) {
 536             FileFragment fragment = (FileFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 537             if (fragment != null) {
 538                 OCFile file = fragment.getFile();
 539                 if (file != null) {
 540                     outState.putParcelable(FileDetailFragment.EXTRA_FILE, file);
 541                 }
 542             }
 543         }
 544         Log.d(getClass().toString(), "onSaveInstanceState() end");
 545     }
 546
 547     @Override
 548     protected void onResume() {
 549         Log.d(getClass().toString(), "onResume() start");
 550         super.onResume();
 551
 552         if (AccountUtils.accountsAreSetup(this)) {
 553
 554             if (mStorageManager == null) {
 555                 // this is necessary for handling the come back to FileDisplayActivity when the first ownCloud account is created
 556                 initDataFromCurrentAccount();
 557                 if (mDualPane) {
 558                     initFileDetailsInDualPane();
 559                 }
 560             }
 561
 562             // Listen for sync messages
 563             IntentFilter syncIntentFilter = new IntentFilter(FileSyncService.SYNC_MESSAGE);
 564             mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 565             registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 566
 567             // Listen for upload messages
 568             IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 569             mUploadFinishReceiver = new UploadFinishReceiver();
 570             registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 571
 572             // Listen for download messages
 573             IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 574             mDownloadFinishReceiver = new DownloadFinishReceiver();
 575             registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 576
 577             // List current directory
 578             mFileList.listDirectory(mCurrentDir);   // TODO we should find the way to avoid the need of this (maybe it's not necessary yet; to check)
 579
 580         } else {
 581
 582             mStorageManager = null;     // an invalid object will be there if all the ownCloud accounts are removed
 583             showDialog(DIALOG_SETUP_ACCOUNT);
 584
 585         }
 586         Log.d(getClass().toString(), "onResume() end");
 587     }
 588
 589
 590     @Override
 591     protected void onPause() {
 592         Log.d(getClass().toString(), "onPause() start");
 593         super.onPause();
 594         if (mSyncBroadcastReceiver != null) {
 595             unregisterReceiver(mSyncBroadcastReceiver);
 596             mSyncBroadcastReceiver = null;
 597         }
 598         if (mUploadFinishReceiver != null) {
 599             unregisterReceiver(mUploadFinishReceiver);
 600             mUploadFinishReceiver = null;
 601         }
 602         if (mDownloadFinishReceiver != null) {
 603             unregisterReceiver(mDownloadFinishReceiver);
 604             mDownloadFinishReceiver = null;
 605         }
 606         if (!AccountUtils.accountsAreSetup(this)) {
 607             dismissDialog(DIALOG_SETUP_ACCOUNT);
 608         }
 609
 610         Log.d(getClass().toString(), "onPause() end");
 611     }
 612
 613
 614     @Override
 615     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
 616         if (id == DIALOG_SSL_VALIDATOR && mLastSslUntrustedServerResult != null) {
 617             ((SslValidatorDialog)dialog).updateResult(mLastSslUntrustedServerResult);
 618         }
 619     }
 620
 621
 622     @Override
 623     protected Dialog onCreateDialog(int id) {
 624         Dialog dialog = null;
 625         AlertDialog.Builder builder;
 626         switch (id) {
 627         case DIALOG_SETUP_ACCOUNT: {
 628             builder = new AlertDialog.Builder(this);
 629             builder.setTitle(R.string.main_tit_accsetup);
 630             builder.setMessage(R.string.main_wrn_accsetup);
 631             builder.setCancelable(false);
 632             builder.setPositiveButton(android.R.string.ok, new OnClickListener() {
 633                 public void onClick(DialogInterface dialog, int which) {
 634                     createFirstAccount();
 635                     dialog.dismiss();
 636                 }
 637             });
 638             String message = String.format(getString(R.string.common_exit), getString(R.string.app_name));
 639             builder.setNegativeButton(message, new OnClickListener() {
 640                 public void onClick(DialogInterface dialog, int which) {
 641                     dialog.dismiss();
 642                     finish();
 643                 }
 644             });
 645             //builder.setNegativeButton(android.R.string.cancel, this);
 646             dialog = builder.create();
 647             break;
 648         }
 649         case DIALOG_ABOUT_APP: {
 650             builder = new AlertDialog.Builder(this);
 651             builder.setTitle(getString(R.string.about_title));
 652             PackageInfo pkg;
 653             try {
 654                 pkg = getPackageManager().getPackageInfo(getPackageName(), 0);
 655                 builder.setMessage(String.format(getString(R.string.about_message), getString(R.string.app_name), pkg.versionName));
 656                 builder.setIcon(android.R.drawable.ic_menu_info_details);
 657                 dialog = builder.create();
 658             } catch (NameNotFoundException e) {
 659                 builder = null;
 660                 dialog = null;
 661                 Log.e(TAG, "Error while showing about dialog", e);
 662             }
 663             break;
 664         }
 665         case DIALOG_CREATE_DIR: {
 666             builder = new Builder(this);
 667             final EditText dirNameInput = new EditText(getBaseContext());
 668             builder.setView(dirNameInput);
 669             builder.setTitle(R.string.uploader_info_dirname);
 670             int typed_color = getResources().getColor(R.color.setup_text_typed);
 671             dirNameInput.setTextColor(typed_color);
 672             builder.setPositiveButton(android.R.string.ok,
 673                     new OnClickListener() {
 674                         public void onClick(DialogInterface dialog, int which) {
 675                             String directoryName = dirNameInput.getText().toString();
 676                             if (directoryName.trim().length() == 0) {
 677                                 dialog.cancel();
 678                                 return;
 679                             }
 680
 681                             // Figure out the path where the dir needs to be created
 682                             String path;
 683                             if (mCurrentDir == null) {
 684                                 // this is just a patch; we should ensure that mCurrentDir never is null
 685                                 if (!mStorageManager.fileExists(OCFile.PATH_SEPARATOR)) {
 686                                     OCFile file = new OCFile(OCFile.PATH_SEPARATOR);
 687                                     mStorageManager.saveFile(file);
 688                                 }
 689                                 mCurrentDir = mStorageManager.getFileByPath(OCFile.PATH_SEPARATOR);
 690                             }
 691                             path = FileDisplayActivity.this.mCurrentDir.getRemotePath();
 692
 693                             // Create directory
 694                             path += directoryName + OCFile.PATH_SEPARATOR;
 695                             Thread thread = new Thread(new DirectoryCreator(path,  AccountUtils.getCurrentOwnCloudAccount(FileDisplayActivity.this), new Handler()));
 696                             thread.start();
 697
 698                             dialog.dismiss();
 699
 700                             showDialog(DIALOG_SHORT_WAIT);
 701                         }
 702                     });
 703             builder.setNegativeButton(R.string.common_cancel,
 704                     new OnClickListener() {
 705                         public void onClick(DialogInterface dialog, int which) {
 706                             dialog.cancel();
 707                         }
 708                     });
 709             dialog = builder.create();
 710             break;
 711         }
 712         case DIALOG_SHORT_WAIT: {
 713             ProgressDialog working_dialog = new ProgressDialog(this);
 714             working_dialog.setMessage(getResources().getString(
 715                     R.string.wait_a_moment));
 716             working_dialog.setIndeterminate(true);
 717             working_dialog.setCancelable(false);
 718             dialog = working_dialog;
 719             break;
 720         }
 721         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 722             final String [] items = {   getString(R.string.actionbar_upload_files),
 723                                         getString(R.string.actionbar_upload_from_apps) };
 724             builder = new AlertDialog.Builder(this);
 725             builder.setTitle(R.string.actionbar_upload);
 726             builder.setItems(items, new DialogInterface.OnClickListener() {
 727                 public void onClick(DialogInterface dialog, int item) {
 728                     if (item == 0) {
 729                         //if (!mDualPane) {
 730                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 731                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(FileDisplayActivity.this));
 732                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 733                         //} else {
 734                             // TODO create and handle new fragment LocalFileListFragment
 735                         //}
 736                     } else if (item == 1) {
 737                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 738                         action = action.setType("*/*")
 739                                 .addCategory(Intent.CATEGORY_OPENABLE);
 740                         startActivityForResult(
 741                                 Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 742                                 ACTION_SELECT_CONTENT_FROM_APPS);
 743                     }
 744                 }
 745             });
 746             dialog = builder.create();
 747             break;
 748         }
 749         case DIALOG_SSL_VALIDATOR: {
 750             dialog = SslValidatorDialog.newInstance(this, mLastSslUntrustedServerResult, this);
 751             break;
 752         }
 753         case DIALOG_CERT_NOT_SAVED: {
 754             builder = new AlertDialog.Builder(this);
 755             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 756             builder.setCancelable(false);
 757             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 758                     @Override
 759                     public void onClick(DialogInterface dialog, int which) {
 760                         dialog.dismiss();
 761                     };
 762                 });
 763             dialog = builder.create();
 764             break;
 765         }
 766         default:
 767             dialog = null;
 768         }
 769
 770         return dialog;
 771     }
 772
 773
 774     /**
 775      * Translates a content URI of an image to a physical path
 776      * on the disk
 777      * @param uri The URI to resolve
 778      * @return The path to the image or null if it could not be found
 779      */
 780     public String getPath(Uri uri) {
 781         String[] projection = { MediaStore.Images.Media.DATA };
 782         Cursor cursor = managedQuery(uri, projection, null, null, null);
 783         if (cursor != null) {
 784             int column_index = cursor
 785                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 786             cursor.moveToFirst();
 787             return cursor.getString(column_index);
 788         }
 789         return null;
 790     }
 791
 792     /**
 793      * Pushes a directory to the drop down list
 794      * @param directory to push
 795      * @throws IllegalArgumentException If the {@link OCFile#isDirectory()} returns false.
 796      */
 797     public void pushDirname(OCFile directory) {
 798         if(!directory.isDirectory()){
 799             throw new IllegalArgumentException("Only directories may be pushed!");
 800         }
 801         mDirectories.insert(directory.getFileName(), 0);
 802         mCurrentDir = directory;
 803     }
 804
 805     /**
 806      * Pops a directory name from the drop down list
 807      * @return True, unless the stack is empty
 808      */
 809     public boolean popDirname() {
 810         mDirectories.remove(mDirectories.getItem(0));
 811         return !mDirectories.isEmpty();
 812     }
 813
 814     private class DirectoryCreator implements Runnable {
 815         private String mTargetPath;
 816         private Account mAccount;
 817         private Handler mHandler;
 818
 819         public DirectoryCreator(String targetPath, Account account, Handler handler) {
 820             mTargetPath = targetPath;
 821             mAccount = account;
 822             mHandler = handler;
 823         }
 824
 825         @Override
 826         public void run() {
 827             WebdavClient wdc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getApplicationContext());
 828             boolean created = wdc.createDirectory(mTargetPath);
 829             if (created) {
 830                 mHandler.post(new Runnable() {
 831                     @Override
 832                     public void run() {
 833                         dismissDialog(DIALOG_SHORT_WAIT);
 834
 835                         // Save new directory in local database
 836                         OCFile newDir = new OCFile(mTargetPath);
 837                         newDir.setMimetype("DIR");
 838                         newDir.setParentId(mCurrentDir.getFileId());
 839                         mStorageManager.saveFile(newDir);
 840
 841                         // Display the new folder right away
 842                         mFileList.listDirectory();
 843                     }
 844                 });
 845
 846             } else {
 847                 mHandler.post(new Runnable() {
 848                     @Override
 849                     public void run() {
 850                         dismissDialog(DIALOG_SHORT_WAIT);
 851                         try {
 852                             Toast msg = Toast.makeText(FileDisplayActivity.this, R.string.create_dir_fail_msg, Toast.LENGTH_LONG);
 853                             msg.show();
 854
 855                         } catch (NotFoundException e) {
 856                             Log.e(TAG, "Error while trying to show fail message " , e);
 857                         }
 858                     }
 859                 });
 860             }
 861         }
 862
 863     }
 864
 865     // Custom array adapter to override text colors
 866     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 867
 868         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 869             super(ctx, view);
 870         }
 871
 872         public View getView(int position, View convertView, ViewGroup parent) {
 873             View v = super.getView(position, convertView, parent);
 874
 875             ((TextView) v).setTextColor(getResources().getColorStateList(
 876                     android.R.color.white));
 877             return v;
 878         }
 879
 880         public View getDropDownView(int position, View convertView,
 881                 ViewGroup parent) {
 882             View v = super.getDropDownView(position, convertView, parent);
 883
 884             ((TextView) v).setTextColor(getResources().getColorStateList(
 885                     android.R.color.white));
 886
 887             return v;
 888         }
 889
 890     }
 891
 892     private class SyncBroadcastReceiver extends BroadcastReceiver {
 893
 894         /**
 895          * {@link BroadcastReceiver} to enable syncing feedback in UI
 896          */
 897         @Override
 898         public void onReceive(Context context, Intent intent) {
 899             boolean inProgress = intent.getBooleanExtra(
 900                     FileSyncService.IN_PROGRESS, false);
 901             String accountName = intent
 902                     .getStringExtra(FileSyncService.ACCOUNT_NAME);
 903
 904             Log.d("FileDisplay", "sync of account " + accountName
 905                     + " is in_progress: " + inProgress);
 906
 907             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name)) {
 908
 909                 String synchFolderRemotePath = intent.getStringExtra(FileSyncService.SYNC_FOLDER_REMOTE_PATH);
 910
 911                 boolean fillBlankRoot = false;
 912                 if (mCurrentDir == null) {
 913                     mCurrentDir = mStorageManager.getFileByPath("/");
 914                     fillBlankRoot = (mCurrentDir != null);
 915                 }
 916
 917                 if ((synchFolderRemotePath != null && mCurrentDir != null && (mCurrentDir.getRemotePath().equals(synchFolderRemotePath)))
 918                         || fillBlankRoot ) {
 919                     if (!fillBlankRoot)
 920                         mCurrentDir = getStorageManager().getFileByPath(synchFolderRemotePath);
 921                     OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager()
 922                             .findFragmentById(R.id.fileList);
 923                     if (fileListFragment != null) {
 924                         fileListFragment.listDirectory(mCurrentDir);
 925                     }
 926                 }
 927
 928                 setSupportProgressBarIndeterminateVisibility(inProgress);
 929                 removeStickyBroadcast(intent);
 930
 931             }
 932
 933             RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncService.SYNC_RESULT);
 934             if (synchResult != null) {
 935                 if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 936                     mLastSslUntrustedServerResult = synchResult;
 937                     showDialog(DIALOG_SSL_VALIDATOR);
 938                 }
 939             }
 940         }
 941     }
 942
 943
 944     private class UploadFinishReceiver extends BroadcastReceiver {
 945         /**
 946          * Once the file upload has finished -> update view
 947          *  @author David A. Velasco
 948          * {@link BroadcastReceiver} to enable upload feedback in UI
 949          */
 950         @Override
 951         public void onReceive(Context context, Intent intent) {
 952             String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 953             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 954             boolean sameAccount = accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name);
 955             boolean isDescendant = (mCurrentDir != null) && (uploadedRemotePath != null) && (uploadedRemotePath.startsWith(mCurrentDir.getRemotePath()));
 956             if (sameAccount && isDescendant) {
 957                 OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 958                 if (fileListFragment != null) {
 959                     fileListFragment.listDirectory();
 960                 }
 961             }
 962         }
 963
 964     }
 965
 966
 967     /**
 968      * Once the file download has finished -> update view
 969      */
 970     private class DownloadFinishReceiver extends BroadcastReceiver {
 971         @Override
 972         public void onReceive(Context context, Intent intent) {
 973             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 974             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 975             boolean sameAccount = accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name);
 976             boolean isDescendant = (mCurrentDir != null) && (downloadedRemotePath != null) && (downloadedRemotePath.startsWith(mCurrentDir.getRemotePath()));
 977             if (sameAccount && isDescendant) {
 978                 OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 979                 if (fileListFragment != null) {
 980                     fileListFragment.listDirectory();
 981                 }
 982             }
 983         }
 984     }
 985
 986
 987
 988
 989     /**
 990      * {@inheritDoc}
 991      */
 992     @Override
 993     public DataStorageManager getStorageManager() {
 994         return mStorageManager;
 995     }
 996
 997
 998     /**
 999      * {@inheritDoc}
1000      */
1001     @Override
1002     public void onDirectoryClick(OCFile directory) {
1003         pushDirname(directory);
1004         ActionBar actionBar = getSupportActionBar();
1005         actionBar.setDisplayHomeAsUpEnabled(true);
1006
1007         if (mDualPane) {
1008             // Resets the FileDetailsFragment on Tablets so that it always displays
1009             Fragment fileFragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
1010             if (fileFragment != null && (fileFragment instanceof FilePreviewFragment || !((FileDetailFragment) fileFragment).isEmpty())) {
1011                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
1012                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FileDetailFragment.FTAG); // empty FileDetailFragment
1013                 transaction.commit();
1014             }
1015         }
1016     }
1017
1018
1019     /**
1020      * {@inheritDoc}
1021      */
1022     @Override
1023     public void onFileClick(OCFile file) {
1024
1025         // If we are on a large device -> update fragment
1026         if (mDualPane) {
1027             // buttons in the details view are problematic when trying to reuse an existing fragment; create always a new one solves some of them, BUT no all; downloads are 'dangerous'
1028             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
1029             if (FilePreviewFragment.canBePreviewed(file)) {
1030                 transaction.replace(R.id.file_details_container, new FilePreviewFragment(file, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
1031             } else {
1032                 transaction.replace(R.id.file_details_container, new FileDetailFragment(file, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
1033             }
1034             //transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
1035             transaction.commit();
1036
1037         } else {    // small or medium screen device -> new Activity
1038             Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
1039             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, file);
1040             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
1041             startActivity(showDetailsIntent);
1042         }
1043     }
1044
1045
1046     /**
1047      * {@inheritDoc}
1048      */
1049     @Override
1050     public OCFile getInitialDirectory() {
1051         return mCurrentDir;
1052     }
1053
1054
1055     /**
1056      * {@inheritDoc}
1057      */
1058     @Override
1059     public void onFileStateChanged() {
1060         OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
1061         if (fileListFragment != null) {
1062             fileListFragment.listDirectory();
1063         }
1064     }
1065
1066
1067     /**
1068      * {@inheritDoc}
1069      */
1070     @Override
1071     public FileDownloaderBinder getFileDownloaderBinder() {
1072         return mDownloaderBinder;
1073     }
1074
1075
1076     /**
1077      * {@inheritDoc}
1078      */
1079     @Override
1080     public FileUploaderBinder getFileUploaderBinder() {
1081         return mUploaderBinder;
1082     }
1083
1084
1085     /** Defines callbacks for service binding, passed to bindService() */
1086     private class ListServiceConnection implements ServiceConnection {
1087
1088         @Override
1089         public void onServiceConnected(ComponentName component, IBinder service) {
1090             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1091                 Log.d(TAG, "Download service connected");
1092                 mDownloaderBinder = (FileDownloaderBinder) service;
1093             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1094                 Log.d(TAG, "Upload service connected");
1095                 mUploaderBinder = (FileUploaderBinder) service;
1096             } else {
1097                 return;
1098             }
1099             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1100             if (mFileList != null)
1101                 mFileList.listDirectory();
1102             if (mDualPane) {
1103                 Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
1104                 if (fragment != null && fragment instanceof FileDetailFragment) {
1105                     ((FileDetailFragment)fragment).updateFileDetails(false);
1106                 }
1107             }
1108         }
1109
1110         @Override
1111         public void onServiceDisconnected(ComponentName component) {
1112             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1113                 Log.d(TAG, "Download service disconnected");
1114                 mDownloaderBinder = null;
1115             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1116                 Log.d(TAG, "Upload service disconnected");
1117                 mUploaderBinder = null;
1118             }
1119         }
1120     };
1121
1122
1123
1124     /**
1125      * Launch an intent to request the PIN code to the user before letting him use the app
1126      */
1127     private void requestPinCode() {
1128         boolean pinStart = false;
1129         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1130         pinStart = appPrefs.getBoolean("set_pincode", false);
1131         if (pinStart) {
1132             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1133             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1134             startActivity(i);
1135         }
1136     }
1137
1138
1139     @Override
1140     public void onSavedCertificate() {
1141         startSynchronization();
1142     }
1143
1144
1145     @Override
1146     public void onFailedSavingCertificate() {
1147         showDialog(DIALOG_CERT_NOT_SAVED);
1148     }
1149
1150
1151     /**
1152      * Updates the view associated to the activity after the finish of some operation over files
1153      * in the current account.
1154      *
1155      * @param operation     Removal operation performed.
1156      * @param result        Result of the removal.
1157      */
1158     @Override
1159     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1160         if (operation instanceof RemoveFileOperation) {
1161             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1162
1163         } else if (operation instanceof RenameFileOperation) {
1164             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1165
1166         } else if (operation instanceof SynchronizeFileOperation) {
1167             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1168         }
1169     }
1170
1171
1172     /**
1173      * Updates the view associated to the activity after the finish of an operation trying to remove a
1174      * file.
1175      *
1176      * @param operation     Removal operation performed.
1177      * @param result        Result of the removal.
1178      */
1179     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1180         dismissDialog(DIALOG_SHORT_WAIT);
1181         if (result.isSuccess()) {
1182             Toast msg = Toast.makeText(this, R.string.remove_success_msg, Toast.LENGTH_LONG);
1183             msg.show();
1184             OCFile removedFile = operation.getFile();
1185             if (mDualPane) {
1186                 FileFragment details = (FileFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
1187                 if (details != null && removedFile.equals(details.getFile())) {
1188                     FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
1189                     transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
1190                     transaction.commit();
1191                 }
1192             }
1193             if (mStorageManager.getFileById(removedFile.getParentId()).equals(mCurrentDir)) {
1194                 mFileList.listDirectory();
1195             }
1196
1197         } else {
1198             Toast msg = Toast.makeText(this, R.string.remove_fail_msg, Toast.LENGTH_LONG);
1199             msg.show();
1200             if (result.isSslRecoverableException()) {
1201                 mLastSslUntrustedServerResult = result;
1202                 showDialog(DIALOG_SSL_VALIDATOR);
1203             }
1204         }
1205     }
1206
1207     /**
1208      * Updates the view associated to the activity after the finish of an operation trying to rename a
1209      * file.
1210      *
1211      * @param operation     Renaming operation performed.
1212      * @param result        Result of the renaming.
1213      */
1214     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1215         dismissDialog(DIALOG_SHORT_WAIT);
1216         OCFile renamedFile = operation.getFile();
1217         if (result.isSuccess()) {
1218             if (mDualPane) {
1219                 FileFragment details = (FileFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
1220                 if (details != null && details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1221                     ((FileDetailFragment) details).updateFileDetails(renamedFile, AccountUtils.getCurrentOwnCloudAccount(this));
1222                 }
1223             }
1224             if (mStorageManager.getFileById(renamedFile.getParentId()).equals(mCurrentDir)) {
1225                 mFileList.listDirectory();
1226             }
1227
1228         } else {
1229             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1230                 Toast msg = Toast.makeText(this, R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1231                 msg.show();
1232                 // TODO throw again the new rename dialog
1233             } else {
1234                 Toast msg = Toast.makeText(this, R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1235                 msg.show();
1236                 if (result.isSslRecoverableException()) {
1237                     mLastSslUntrustedServerResult = result;
1238                     showDialog(DIALOG_SSL_VALIDATOR);
1239                 }
1240             }
1241         }
1242     }
1243
1244
1245     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1246         dismissDialog(DIALOG_SHORT_WAIT);
1247         OCFile syncedFile = operation.getLocalFile();
1248         if (!result.isSuccess()) {
1249             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1250                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1251                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1252                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
1253                 startActivity(i);
1254
1255             } else {
1256                 Toast msg = Toast.makeText(this, R.string.sync_file_fail_msg, Toast.LENGTH_LONG);
1257                 msg.show();
1258             }
1259
1260         } else {
1261             if (operation.transferWasRequested()) {
1262                 mFileList.listDirectory();
1263                 onTransferStateChanged(syncedFile, true, true);
1264
1265             } else {
1266                 Toast msg = Toast.makeText(this, R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1267                 msg.show();
1268             }
1269         }
1270     }
1271
1272
1273     /**
1274      * {@inheritDoc}
1275      */
1276     @Override
1277     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1278         /*OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
1279         if (fileListFragment != null) {
1280             fileListFragment.listDirectory();
1281         }*/
1282         if (mDualPane) {
1283             FileFragment details = (FileFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
1284             if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1285                 if (downloading || uploading) {
1286                     ((FileDetailFragment)details).updateFileDetails(file, AccountUtils.getCurrentOwnCloudAccount(this));
1287                 } else {
1288                     ((FileDetailFragment)details).updateFileDetails(downloading || uploading);
1289                 }
1290             }
1291         }
1292     }
1293
1294
1295
1296
1297
1298 }