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