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