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