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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.ui.activity;
  20
  21 import java.io.File;
  22
  23 import android.accounts.Account;
  24 import android.app.AlertDialog;
  25 import android.app.ProgressDialog;
  26 import android.app.AlertDialog.Builder;
  27 import android.app.Dialog;
  28 import android.content.BroadcastReceiver;
  29 import android.content.ComponentName;
  30 import android.content.ContentResolver;
  31 import android.content.Context;
  32 import android.content.DialogInterface;
  33 import android.content.DialogInterface.OnClickListener;
  34 import android.content.Intent;
  35 import android.content.IntentFilter;
  36 import android.content.ServiceConnection;
  37 import android.content.SharedPreferences;
  38 import android.content.pm.PackageInfo;
  39 import android.content.pm.PackageManager.NameNotFoundException;
  40 import android.content.res.Resources.NotFoundException;
  41 import android.database.Cursor;
  42 import android.net.Uri;
  43 import android.os.Bundle;
  44 import android.os.Handler;
  45 import android.os.IBinder;
  46 import android.preference.PreferenceManager;
  47 import android.provider.MediaStore;
  48 import android.support.v4.app.FragmentTransaction;
  49 import android.util.Log;
  50 import android.view.View;
  51 import android.view.ViewGroup;
  52 import android.widget.ArrayAdapter;
  53 import android.widget.EditText;
  54 import android.widget.TextView;
  55 import android.widget.Toast;
  56
  57 import com.actionbarsherlock.app.ActionBar;
  58 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  59 import com.actionbarsherlock.app.SherlockFragmentActivity;
  60 import com.actionbarsherlock.view.Menu;
  61 import com.actionbarsherlock.view.MenuInflater;
  62 import com.actionbarsherlock.view.MenuItem;
  63 import com.actionbarsherlock.view.Window;
  64 import com.owncloud.android.AccountUtils;
  65 import com.owncloud.android.authenticator.AccountAuthenticator;
  66 import com.owncloud.android.datamodel.DataStorageManager;
  67 import com.owncloud.android.datamodel.FileDataStorageManager;
  68 import com.owncloud.android.datamodel.OCFile;
  69 import com.owncloud.android.files.services.FileDownloader;
  70 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  71 import com.owncloud.android.files.services.FileObserverService;
  72 import com.owncloud.android.files.services.FileUploader;
  73 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  74 import com.owncloud.android.network.OwnCloudClientUtils;
  75 import com.owncloud.android.syncadapter.FileSyncService;
  76 import com.owncloud.android.ui.fragment.FileDetailFragment;
  77 import com.owncloud.android.ui.fragment.OCFileListFragment;
  78
  79 import com.owncloud.android.R;
  80 import eu.alefzero.webdav.WebdavClient;
  81
  82 /**
  83  * Displays, what files the user has available in his ownCloud.
  84  *
  85  * @author Bartek Przybylski
  86  *
  87  */
  88
  89 public class FileDisplayActivity extends SherlockFragmentActivity implements
  90     OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNavigationListener {
  91
  92     private ArrayAdapter<String> mDirectories;
  93     private OCFile mCurrentDir = null;
  94     private OCFile mCurrentFile = null;
  95
  96     private DataStorageManager mStorageManager;
  97     private SyncBroadcastReceiver mSyncBroadcastReceiver;
  98     private UploadFinishReceiver mUploadFinishReceiver;
  99     private DownloadFinishReceiver mDownloadFinishReceiver;
 100     private FileDownloaderBinder mDownloaderBinder = null;
 101     private FileUploaderBinder mUploaderBinder = null;
 102     private ServiceConnection mDownloadConnection = null, mUploadConnection = null;
 103
 104     private OCFileListFragment mFileList;
 105
 106     private boolean mDualPane;
 107
 108     private static final int DIALOG_SETUP_ACCOUNT = 0;
 109     private static final int DIALOG_CREATE_DIR = 1;
 110     private static final int DIALOG_ABOUT_APP = 2;
 111     public static final int DIALOG_SHORT_WAIT = 3;
 112     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 4;
 113
 114     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 115     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 116
 117     private static final String TAG = "FileDisplayActivity";
 118
 119     @Override
 120     public void onCreate(Bundle savedInstanceState) {
 121         Log.d(getClass().toString(), "onCreate() start");
 122         super.onCreate(savedInstanceState);
 123
 124         /// Load of parameters from received intent
 125         mCurrentDir = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE); // no check necessary, mCurrenDir == null if the parameter is not in the intent
 126         Account account = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT);
 127         if (account != null)
 128             AccountUtils.setCurrentOwnCloudAccount(this, account.name);
 129
 130         /// Load of saved instance state: keep this always before initDataFromCurrentAccount()
 131         if(savedInstanceState != null) {
 132             // TODO - test if savedInstanceState should take precedence over file in the intent ALWAYS (now), NEVER, or SOME TIMES
 133             mCurrentDir = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 134         }
 135
 136         if (!AccountUtils.accountsAreSetup(this)) {
 137             /// no account available: FORCE ACCOUNT CREATION
 138             mStorageManager = null;
 139             createFirstAccount();
 140
 141         } else {    /// at least an account is available
 142
 143             initDataFromCurrentAccount();   // it checks mCurrentDir and mCurrentFile with the current account
 144
 145         }
 146
 147         mUploadConnection = new ListServiceConnection();
 148         mDownloadConnection = new ListServiceConnection();
 149         bindService(new Intent(this, FileUploader.class), mUploadConnection, Context.BIND_AUTO_CREATE);
 150         bindService(new Intent(this, FileDownloader.class), mDownloadConnection, Context.BIND_AUTO_CREATE);
 151
 152         // PIN CODE request ;  best location is to decide, let's try this first
 153         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 154             requestPinCode();
 155         }
 156
 157         // file observer
 158         Intent observer_intent = new Intent(this, FileObserverService.class);
 159         observer_intent.putExtra(FileObserverService.KEY_FILE_CMD, FileObserverService.CMD_INIT_OBSERVED_LIST);
 160         startService(observer_intent);
 161
 162
 163         /// USER INTERFACE
 164         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 165
 166         // Drop-down navigation
 167         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 168         OCFile currFile = mCurrentDir;
 169         while(currFile != null && currFile.getFileName() != OCFile.PATH_SEPARATOR) {
 170             mDirectories.add(currFile.getFileName());
 171             currFile = mStorageManager.getFileById(currFile.getParentId());
 172         }
 173         mDirectories.add(OCFile.PATH_SEPARATOR);
 174
 175         // Inflate and set the layout view
 176         setContentView(R.layout.files);
 177         mFileList = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 178         mDualPane = (findViewById(R.id.file_details_container) != null);
 179         if (mDualPane) {
 180             initFileDetailsInDualPane();
 181         }
 182
 183         // Action bar setup
 184         ActionBar actionBar = getSupportActionBar();
 185         actionBar.setHomeButtonEnabled(true);   // mandatory since Android ICS, according to the official documentation
 186         actionBar.setDisplayHomeAsUpEnabled(mCurrentDir != null && mCurrentDir.getParentId() != 0);
 187         actionBar.setDisplayShowTitleEnabled(false);
 188         actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 189         actionBar.setListNavigationCallbacks(mDirectories, this);
 190         setSupportProgressBarIndeterminateVisibility(false);        // always AFTER setContentView(...) ; to workaround bug in its implementation
 191
 192         Log.d(getClass().toString(), "onCreate() end");
 193     }
 194
 195
 196     /**
 197      * Launches the account creation activity. To use when no ownCloud account is available
 198      */
 199     private void createFirstAccount() {
 200         Intent intent = new Intent(android.provider.Settings.ACTION_ADD_ACCOUNT);
 201         intent.putExtra(android.provider.Settings.EXTRA_AUTHORITIES, new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 202         startActivity(intent);  // the new activity won't be created until this.onStart() and this.onResume() are finished;
 203     }
 204
 205
 206     /**
 207      *  Load of state dependent of the existence of an ownCloud account
 208      */
 209     private void initDataFromCurrentAccount() {
 210         /// Storage manager initialization - access to local database
 211         mStorageManager = new FileDataStorageManager(
 212                 AccountUtils.getCurrentOwnCloudAccount(this),
 213                 getContentResolver());
 214
 215         /// Check if mCurrentDir is a directory
 216         if(mCurrentDir != null && !mCurrentDir.isDirectory()) {
 217             mCurrentFile = mCurrentDir;
 218             mCurrentDir = mStorageManager.getFileById(mCurrentDir.getParentId());
 219         }
 220
 221         /// Check if mCurrentDir and mCurrentFile are in the current account, and update them
 222         if (mCurrentDir != null) {
 223             mCurrentDir = mStorageManager.getFileByPath(mCurrentDir.getRemotePath());   // mCurrentDir == null if it is not in the current account
 224         }
 225         if (mCurrentFile != null) {
 226             if (mCurrentFile.fileExists()) {
 227                 mCurrentFile = mStorageManager.getFileByPath(mCurrentFile.getRemotePath());   // mCurrentFile == null if it is not in the current account
 228             }   // else : keep mCurrentFile with the received value; this is currently the case of an upload in progress, when the user presses the status notification in a landscape tablet
 229         }
 230
 231         /// Default to root if mCurrentDir was not found
 232         if (mCurrentDir == null) {
 233             mCurrentDir = mStorageManager.getFileByPath("/"); // will be NULL if the database was never synchronized
 234         }
 235     }
 236
 237
 238     private void initFileDetailsInDualPane() {
 239         if (mDualPane && getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG) == null) {
 240             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 241             if (mCurrentFile != null) {
 242                 transaction.replace(R.id.file_details_container, new FileDetailFragment(mCurrentFile, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG); // empty FileDetailFragment
 243                 mCurrentFile = null;
 244             } else {
 245                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FileDetailFragment.FTAG); // empty FileDetailFragment
 246             }
 247             transaction.commit();
 248         }
 249     }
 250
 251
 252     @Override
 253     public void onDestroy() {
 254         super.onDestroy();
 255         if (mDownloadConnection != null)
 256             unbindService(mDownloadConnection);
 257         if (mUploadConnection != null)
 258             unbindService(mUploadConnection);
 259     }
 260
 261
 262     @Override
 263     public boolean onCreateOptionsMenu(Menu menu) {
 264         MenuInflater inflater = getSherlock().getMenuInflater();
 265             inflater.inflate(R.menu.menu, menu);
 266             return true;
 267     }
 268
 269     @Override
 270     public boolean onOptionsItemSelected(MenuItem item) {
 271         boolean retval = true;
 272         switch (item.getItemId()) {
 273             case R.id.createDirectoryItem: {
 274                 showDialog(DIALOG_CREATE_DIR);
 275                 break;
 276             }
 277             case R.id.startSync: {
 278                 ContentResolver.cancelSync(null, AccountAuthenticator.AUTH_TOKEN_TYPE);   // cancel the current synchronizations of any ownCloud account
 279                 Bundle bundle = new Bundle();
 280                 bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 281                 ContentResolver.requestSync(
 282                         AccountUtils.getCurrentOwnCloudAccount(this),
 283                         AccountAuthenticator.AUTH_TOKEN_TYPE, bundle);
 284                 break;
 285             }
 286             case R.id.action_upload: {
 287                 showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 288                 break;
 289             }
 290             case R.id.action_settings: {
 291                 Intent settingsIntent = new Intent(this, Preferences.class);
 292                 startActivity(settingsIntent);
 293                 break;
 294             }
 295             case R.id.about_app : {
 296                 showDialog(DIALOG_ABOUT_APP);
 297                 break;
 298             }
 299             case android.R.id.home: {
 300                 if(mCurrentDir != null && mCurrentDir.getParentId() != 0){
 301                     onBackPressed();
 302                 }
 303                 break;
 304             }
 305             default:
 306                 retval = false;
 307         }
 308         return retval;
 309     }
 310
 311     @Override
 312     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 313         int i = itemPosition;
 314         while (i-- != 0) {
 315             onBackPressed();
 316         }
 317         // the next operation triggers a new call to this method, but it's necessary to
 318         // ensure that the name exposed in the action bar is the current directory when the
 319         // user selected it in the navigation list
 320         if (itemPosition != 0)
 321             getSupportActionBar().setSelectedNavigationItem(0);
 322         return true;
 323     }
 324
 325     /**
 326      * Called, when the user selected something for uploading
 327      */
 328     public void onActivityResult(int requestCode, int resultCode, Intent data) {
 329
 330         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && resultCode == RESULT_OK) {
 331             requestSimpleUpload(data);
 332
 333         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && resultCode == RESULT_OK) {
 334             requestMultipleUpload(data);
 335
 336         }
 337     }
 338
 339     private void requestMultipleUpload(Intent data) {
 340         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 341         if (filePaths != null) {
 342             String[] remotePaths = new String[filePaths.length];
 343             String remotePathBase = "";
 344             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 345                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 346             }
 347             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 348                 remotePathBase += OCFile.PATH_SEPARATOR;
 349             for (int j = 0; j< remotePaths.length; j++) {
 350                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 351             }
 352
 353             Intent i = new Intent(this, FileUploader.class);
 354             i.putExtra(FileUploader.KEY_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
 355             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 356             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 357             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 358             startService(i);
 359
 360         } else {
 361             Log.d("FileDisplay", "User clicked on 'Update' with no selection");
 362             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 363             t.show();
 364             return;
 365         }
 366     }
 367
 368
 369     private void requestSimpleUpload(Intent data) {
 370         String filepath = null;
 371         try {
 372             Uri selectedImageUri = data.getData();
 373
 374             String filemanagerstring = selectedImageUri.getPath();
 375             String selectedImagePath = getPath(selectedImageUri);
 376
 377             if (selectedImagePath != null)
 378                 filepath = selectedImagePath;
 379             else
 380                 filepath = filemanagerstring;
 381
 382         } catch (Exception e) {
 383             Log.e("FileDisplay", "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 384             e.printStackTrace();
 385
 386         } finally {
 387             if (filepath == null) {
 388                 Log.e("FileDisplay", "Couldnt resolve path to file");
 389                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 390                 t.show();
 391                 return;
 392             }
 393         }
 394
 395         Intent i = new Intent(this, FileUploader.class);
 396         i.putExtra(FileUploader.KEY_ACCOUNT,
 397                 AccountUtils.getCurrentOwnCloudAccount(this));
 398         String remotepath = new String();
 399         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 400             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 401         }
 402         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 403             remotepath += OCFile.PATH_SEPARATOR;
 404         remotepath += new File(filepath).getName();
 405
 406         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 407         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 408         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 409         startService(i);
 410     }
 411
 412
 413     @Override
 414     public void onBackPressed() {
 415         if (mDirectories.getCount() <= 1) {
 416             finish();
 417             return;
 418         }
 419         popDirname();
 420         mFileList.onNavigateUp();
 421         mCurrentDir = mFileList.getCurrentFile();
 422
 423         if (mDualPane) {
 424             // Resets the FileDetailsFragment on Tablets so that it always displays
 425             FileDetailFragment fileDetails = (FileDetailFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 426             if (fileDetails != null && !fileDetails.isEmpty()) {
 427                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 428                 transaction.remove(fileDetails);
 429                 transaction.add(R.id.file_details_container, new FileDetailFragment(null, null), FileDetailFragment.FTAG);
 430                 transaction.commit();
 431             }
 432         }
 433
 434         if(mCurrentDir.getParentId() == 0){
 435             ActionBar actionBar = getSupportActionBar();
 436             actionBar.setDisplayHomeAsUpEnabled(false);
 437         }
 438     }
 439
 440     @Override
 441     protected void onSaveInstanceState(Bundle outState) {
 442         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 443         Log.d(getClass().toString(), "onSaveInstanceState() start");
 444         super.onSaveInstanceState(outState);
 445         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mCurrentDir);
 446         if (mDualPane) {
 447             FileDetailFragment fragment = (FileDetailFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 448             if (fragment != null) {
 449                 OCFile file = fragment.getDisplayedFile();
 450                 if (file != null) {
 451                     outState.putParcelable(FileDetailFragment.EXTRA_FILE, file);
 452                 }
 453             }
 454         }
 455         Log.d(getClass().toString(), "onSaveInstanceState() end");
 456     }
 457
 458     @Override
 459     protected void onResume() {
 460         Log.d(getClass().toString(), "onResume() start");
 461         super.onResume();
 462
 463         if (AccountUtils.accountsAreSetup(this)) {
 464
 465             if (mStorageManager == null) {
 466                 // this is necessary for handling the come back to FileDisplayActivity when the first ownCloud account is created
 467                 initDataFromCurrentAccount();
 468                 if (mDualPane) {
 469                     initFileDetailsInDualPane();
 470                 }
 471             }
 472
 473             // Listen for sync messages
 474             IntentFilter syncIntentFilter = new IntentFilter(FileSyncService.SYNC_MESSAGE);
 475             mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 476             registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 477
 478             // Listen for upload messages
 479             IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 480             mUploadFinishReceiver = new UploadFinishReceiver();
 481             registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 482
 483             // Listen for download messages
 484             IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 485             mDownloadFinishReceiver = new DownloadFinishReceiver();
 486             registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 487
 488             // List current directory
 489             mFileList.listDirectory(mCurrentDir);   // TODO we should find the way to avoid the need of this (maybe it's not necessary yet; to check)
 490
 491         } else {
 492
 493             mStorageManager = null;     // an invalid object will be there if all the ownCloud accounts are removed
 494             showDialog(DIALOG_SETUP_ACCOUNT);
 495
 496         }
 497         Log.d(getClass().toString(), "onResume() end");
 498     }
 499
 500
 501     @Override
 502     protected void onPause() {
 503         Log.d(getClass().toString(), "onPause() start");
 504         super.onPause();
 505         if (mSyncBroadcastReceiver != null) {
 506             unregisterReceiver(mSyncBroadcastReceiver);
 507             mSyncBroadcastReceiver = null;
 508         }
 509         if (mUploadFinishReceiver != null) {
 510             unregisterReceiver(mUploadFinishReceiver);
 511             mUploadFinishReceiver = null;
 512         }
 513         if (mDownloadFinishReceiver != null) {
 514             unregisterReceiver(mDownloadFinishReceiver);
 515             mDownloadFinishReceiver = null;
 516         }
 517         if (!AccountUtils.accountsAreSetup(this)) {
 518             dismissDialog(DIALOG_SETUP_ACCOUNT);
 519         }
 520
 521         Log.d(getClass().toString(), "onPause() end");
 522     }
 523
 524     @Override
 525     protected Dialog onCreateDialog(int id) {
 526         Dialog dialog = null;
 527         AlertDialog.Builder builder;
 528         switch (id) {
 529         case DIALOG_SETUP_ACCOUNT: {
 530             builder = new AlertDialog.Builder(this);
 531             builder.setTitle(R.string.main_tit_accsetup);
 532             builder.setMessage(R.string.main_wrn_accsetup);
 533             builder.setCancelable(false);
 534             builder.setPositiveButton(android.R.string.ok, new OnClickListener() {
 535                 public void onClick(DialogInterface dialog, int which) {
 536                     createFirstAccount();
 537                     dialog.dismiss();
 538                 }
 539             });
 540             builder.setNegativeButton(R.string.common_exit, new OnClickListener() {
 541                 public void onClick(DialogInterface dialog, int which) {
 542                     dialog.dismiss();
 543                     finish();
 544                 }
 545             });
 546             //builder.setNegativeButton(android.R.string.cancel, this);
 547             dialog = builder.create();
 548             break;
 549         }
 550         case DIALOG_ABOUT_APP: {
 551             builder = new AlertDialog.Builder(this);
 552             builder.setTitle(getString(R.string.about_title));
 553             PackageInfo pkg;
 554             try {
 555                 pkg = getPackageManager().getPackageInfo(getPackageName(), 0);
 556                 builder.setMessage(String.format(getString(R.string.about_message), pkg.versionName));
 557                 builder.setIcon(android.R.drawable.ic_menu_info_details);
 558                 dialog = builder.create();
 559             } catch (NameNotFoundException e) {
 560                 builder = null;
 561                 dialog = null;
 562                 Log.e(TAG, "Error while showing about dialog", e);
 563             }
 564             break;
 565         }
 566         case DIALOG_CREATE_DIR: {
 567             builder = new Builder(this);
 568             final EditText dirNameInput = new EditText(getBaseContext());
 569             builder.setView(dirNameInput);
 570             builder.setTitle(R.string.uploader_info_dirname);
 571             int typed_color = getResources().getColor(R.color.setup_text_typed);
 572             dirNameInput.setTextColor(typed_color);
 573             builder.setPositiveButton(android.R.string.ok,
 574                     new OnClickListener() {
 575                         public void onClick(DialogInterface dialog, int which) {
 576                             String directoryName = dirNameInput.getText().toString();
 577                             if (directoryName.trim().length() == 0) {
 578                                 dialog.cancel();
 579                                 return;
 580                             }
 581
 582                             // Figure out the path where the dir needs to be created
 583                             String path;
 584                             if (mCurrentDir == null) {
 585                                 // this is just a patch; we should ensure that mCurrentDir never is null
 586                                 if (!mStorageManager.fileExists(OCFile.PATH_SEPARATOR)) {
 587                                     OCFile file = new OCFile(OCFile.PATH_SEPARATOR);
 588                                     mStorageManager.saveFile(file);
 589                                 }
 590                                 mCurrentDir = mStorageManager.getFileByPath(OCFile.PATH_SEPARATOR);
 591                             }
 592                             path = FileDisplayActivity.this.mCurrentDir.getRemotePath();
 593
 594                             // Create directory
 595                             path += directoryName + OCFile.PATH_SEPARATOR;
 596                             Thread thread = new Thread(new DirectoryCreator(path,  AccountUtils.getCurrentOwnCloudAccount(FileDisplayActivity.this), new Handler()));
 597                             thread.start();
 598
 599                             dialog.dismiss();
 600
 601                             showDialog(DIALOG_SHORT_WAIT);
 602                         }
 603                     });
 604             builder.setNegativeButton(R.string.common_cancel,
 605                     new OnClickListener() {
 606                         public void onClick(DialogInterface dialog, int which) {
 607                             dialog.cancel();
 608                         }
 609                     });
 610             dialog = builder.create();
 611             break;
 612         }
 613         case DIALOG_SHORT_WAIT: {
 614             ProgressDialog working_dialog = new ProgressDialog(this);
 615             working_dialog.setMessage(getResources().getString(
 616                     R.string.wait_a_moment));
 617             working_dialog.setIndeterminate(true);
 618             working_dialog.setCancelable(false);
 619             dialog = working_dialog;
 620             break;
 621         }
 622         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 623             final String [] items = {   getString(R.string.actionbar_upload_files),
 624                                         getString(R.string.actionbar_upload_from_apps) };
 625             builder = new AlertDialog.Builder(this);
 626             builder.setTitle(R.string.actionbar_upload);
 627             builder.setItems(items, new DialogInterface.OnClickListener() {
 628                 public void onClick(DialogInterface dialog, int item) {
 629                     if (item == 0) {
 630                         //if (!mDualPane) {
 631                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 632                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 633                         //} else {
 634                             // TODO create and handle new fragment LocalFileListFragment
 635                         //}
 636                     } else if (item == 1) {
 637                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 638                         action = action.setType("*/*")
 639                                 .addCategory(Intent.CATEGORY_OPENABLE);
 640                         startActivityForResult(
 641                                 Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 642                                 ACTION_SELECT_CONTENT_FROM_APPS);
 643                     }
 644                 }
 645             });
 646             dialog = builder.create();
 647             break;
 648         }
 649         default:
 650             dialog = null;
 651         }
 652
 653         return dialog;
 654     }
 655
 656
 657     /**
 658      * Translates a content URI of an image to a physical path
 659      * on the disk
 660      * @param uri The URI to resolve
 661      * @return The path to the image or null if it could not be found
 662      */
 663     public String getPath(Uri uri) {
 664         String[] projection = { MediaStore.Images.Media.DATA };
 665         Cursor cursor = managedQuery(uri, projection, null, null, null);
 666         if (cursor != null) {
 667             int column_index = cursor
 668                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 669             cursor.moveToFirst();
 670             return cursor.getString(column_index);
 671         }
 672         return null;
 673     }
 674
 675     /**
 676      * Pushes a directory to the drop down list
 677      * @param directory to push
 678      * @throws IllegalArgumentException If the {@link OCFile#isDirectory()} returns false.
 679      */
 680     public void pushDirname(OCFile directory) {
 681         if(!directory.isDirectory()){
 682             throw new IllegalArgumentException("Only directories may be pushed!");
 683         }
 684         mDirectories.insert(directory.getFileName(), 0);
 685         mCurrentDir = directory;
 686     }
 687
 688     /**
 689      * Pops a directory name from the drop down list
 690      * @return True, unless the stack is empty
 691      */
 692     public boolean popDirname() {
 693         mDirectories.remove(mDirectories.getItem(0));
 694         return !mDirectories.isEmpty();
 695     }
 696
 697     private class DirectoryCreator implements Runnable {
 698         private String mTargetPath;
 699         private Account mAccount;
 700         private Handler mHandler;
 701
 702         public DirectoryCreator(String targetPath, Account account, Handler handler) {
 703             mTargetPath = targetPath;
 704             mAccount = account;
 705             mHandler = handler;
 706         }
 707
 708         @Override
 709         public void run() {
 710             WebdavClient wdc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getApplicationContext());
 711             boolean created = wdc.createDirectory(mTargetPath);
 712             if (created) {
 713                 mHandler.post(new Runnable() {
 714                     @Override
 715                     public void run() {
 716                         dismissDialog(DIALOG_SHORT_WAIT);
 717
 718                         // Save new directory in local database
 719                         OCFile newDir = new OCFile(mTargetPath);
 720                         newDir.setMimetype("DIR");
 721                         newDir.setParentId(mCurrentDir.getFileId());
 722                         mStorageManager.saveFile(newDir);
 723
 724                         // Display the new folder right away
 725                         mFileList.listDirectory();
 726                     }
 727                 });
 728
 729             } else {
 730                 mHandler.post(new Runnable() {
 731                     @Override
 732                     public void run() {
 733                         dismissDialog(DIALOG_SHORT_WAIT);
 734                         try {
 735                             Toast msg = Toast.makeText(FileDisplayActivity.this, R.string.create_dir_fail_msg, Toast.LENGTH_LONG);
 736                             msg.show();
 737
 738                         } catch (NotFoundException e) {
 739                             Log.e(TAG, "Error while trying to show fail message " , e);
 740                         }
 741                     }
 742                 });
 743             }
 744         }
 745
 746     }
 747
 748     // Custom array adapter to override text colors
 749     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 750
 751         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 752             super(ctx, view);
 753         }
 754
 755         public View getView(int position, View convertView, ViewGroup parent) {
 756             View v = super.getView(position, convertView, parent);
 757
 758             ((TextView) v).setTextColor(getResources().getColorStateList(
 759                     android.R.color.white));
 760             return v;
 761         }
 762
 763         public View getDropDownView(int position, View convertView,
 764                 ViewGroup parent) {
 765             View v = super.getDropDownView(position, convertView, parent);
 766
 767             ((TextView) v).setTextColor(getResources().getColorStateList(
 768                     android.R.color.white));
 769
 770             return v;
 771         }
 772
 773     }
 774
 775     private class SyncBroadcastReceiver extends BroadcastReceiver {
 776         /**
 777          * {@link BroadcastReceiver} to enable syncing feedback in UI
 778          */
 779         @Override
 780         public void onReceive(Context context, Intent intent) {
 781             boolean inProgress = intent.getBooleanExtra(
 782                     FileSyncService.IN_PROGRESS, false);
 783             String accountName = intent
 784                     .getStringExtra(FileSyncService.ACCOUNT_NAME);
 785
 786             Log.d("FileDisplay", "sync of account " + accountName
 787                     + " is in_progress: " + inProgress);
 788
 789             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name)) {
 790
 791                 String synchFolderRemotePath = intent.getStringExtra(FileSyncService.SYNC_FOLDER_REMOTE_PATH);
 792
 793                 boolean fillBlankRoot = false;
 794                 if (mCurrentDir == null) {
 795                     mCurrentDir = mStorageManager.getFileByPath("/");
 796                     fillBlankRoot = (mCurrentDir != null);
 797                 }
 798
 799                 if ((synchFolderRemotePath != null && mCurrentDir != null && (mCurrentDir.getRemotePath().equals(synchFolderRemotePath)))
 800                         || fillBlankRoot ) {
 801                     if (!fillBlankRoot)
 802                         mCurrentDir = getStorageManager().getFileByPath(synchFolderRemotePath);
 803                     OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager()
 804                             .findFragmentById(R.id.fileList);
 805                     if (fileListFragment != null) {
 806                         fileListFragment.listDirectory(mCurrentDir);
 807                     }
 808                 }
 809
 810                 setSupportProgressBarIndeterminateVisibility(inProgress);
 811
 812             }
 813         }
 814     }
 815
 816
 817     private class UploadFinishReceiver extends BroadcastReceiver {
 818         /**
 819          * Once the file upload has finished -> update view
 820          *  @author David A. Velasco
 821          * {@link BroadcastReceiver} to enable upload feedback in UI
 822          */
 823         @Override
 824         public void onReceive(Context context, Intent intent) {
 825             long parentDirId = intent.getLongExtra(FileUploader.EXTRA_PARENT_DIR_ID, -1);
 826             OCFile parentDir = mStorageManager.getFileById(parentDirId);
 827             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 828
 829             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name) &&
 830                     parentDir != null &&
 831                     (   (mCurrentDir == null && parentDir.getFileName().equals("/")) ||
 832                             parentDir.equals(mCurrentDir)
 833                     )
 834                 ) {
 835                 OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 836                 if (fileListFragment != null) {
 837                     fileListFragment.listDirectory();
 838                 }
 839             }
 840         }
 841
 842     }
 843
 844
 845     /**
 846      * Once the file download has finished -> update view
 847      */
 848     private class DownloadFinishReceiver extends BroadcastReceiver {
 849         @Override
 850         public void onReceive(Context context, Intent intent) {
 851             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 852             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 853
 854             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name) &&
 855                      mCurrentDir != null && mCurrentDir.getFileId() == mStorageManager.getFileByPath(downloadedRemotePath).getParentId()) {
 856                 OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 857                 if (fileListFragment != null) {
 858                     fileListFragment.listDirectory();
 859                 }
 860             }
 861         }
 862     }
 863
 864
 865
 866
 867     /**
 868      * {@inheritDoc}
 869      */
 870     @Override
 871     public DataStorageManager getStorageManager() {
 872         return mStorageManager;
 873     }
 874
 875
 876     /**
 877      * {@inheritDoc}
 878      */
 879     @Override
 880     public void onDirectoryClick(OCFile directory) {
 881         pushDirname(directory);
 882         ActionBar actionBar = getSupportActionBar();
 883         actionBar.setDisplayHomeAsUpEnabled(true);
 884
 885         if (mDualPane) {
 886             // Resets the FileDetailsFragment on Tablets so that it always displays
 887             FileDetailFragment fileDetails = (FileDetailFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 888             if (fileDetails != null && !fileDetails.isEmpty()) {
 889                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 890                 transaction.remove(fileDetails);
 891                 transaction.add(R.id.file_details_container, new FileDetailFragment(null, null), FileDetailFragment.FTAG);
 892                 transaction.commit();
 893             }
 894         }
 895     }
 896
 897
 898     /**
 899      * {@inheritDoc}
 900      */
 901     @Override
 902     public void onFileClick(OCFile file) {
 903
 904         // If we are on a large device -> update fragment
 905         if (mDualPane) {
 906             // 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'
 907             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 908             transaction.replace(R.id.file_details_container, new FileDetailFragment(file, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
 909             transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
 910             transaction.commit();
 911
 912         } else {    // small or medium screen device -> new Activity
 913             Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
 914             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, file);
 915             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
 916             startActivity(showDetailsIntent);
 917         }
 918     }
 919
 920
 921     /**
 922      * {@inheritDoc}
 923      */
 924     @Override
 925     public OCFile getInitialDirectory() {
 926         return mCurrentDir;
 927     }
 928
 929
 930     /**
 931      * {@inheritDoc}
 932      */
 933     @Override
 934     public void onFileStateChanged() {
 935         OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 936         if (fileListFragment != null) {
 937             fileListFragment.listDirectory();
 938         }
 939     }
 940
 941
 942     /**
 943      * {@inheritDoc}
 944      */
 945     @Override
 946     public FileDownloaderBinder getFileDownloaderBinder() {
 947         return mDownloaderBinder;
 948     }
 949
 950
 951     /**
 952      * {@inheritDoc}
 953      */
 954     @Override
 955     public FileUploaderBinder getFileUploaderBinder() {
 956         return mUploaderBinder;
 957     }
 958
 959
 960     /** Defines callbacks for service binding, passed to bindService() */
 961     private class ListServiceConnection implements ServiceConnection {
 962
 963         @Override
 964         public void onServiceConnected(ComponentName component, IBinder service) {
 965             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
 966                 Log.d(TAG, "Download service connected");
 967                 mDownloaderBinder = (FileDownloaderBinder) service;
 968             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
 969                 Log.d(TAG, "Upload service connected");
 970                 mUploaderBinder = (FileUploaderBinder) service;
 971             } else {
 972                 return;
 973             }
 974             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
 975             if (mFileList != null)
 976                 mFileList.listDirectory();
 977             if (mDualPane) {
 978                 FileDetailFragment fragment = (FileDetailFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 979                 if (fragment != null)
 980                     fragment.updateFileDetails();
 981             }
 982         }
 983
 984         @Override
 985         public void onServiceDisconnected(ComponentName component) {
 986             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
 987                 Log.d(TAG, "Download service disconnected");
 988                 mDownloaderBinder = null;
 989             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
 990                 Log.d(TAG, "Upload service disconnected");
 991                 mUploaderBinder = null;
 992             }
 993         }
 994     };
 995
 996
 997
 998     /**
 999      * Launch an intent to request the PIN code to the user before letting him use the app
1000      */
1001     private void requestPinCode() {
1002         boolean pinStart = false;
1003         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1004         pinStart = appPrefs.getBoolean("set_pincode", false);
1005         if (pinStart) {
1006             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1007             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1008             startActivity(i);
1009         }
1010     }
1011
1012
1013 }