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