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.network.OwnCloudClientUtils;
  73 import com.owncloud.android.syncadapter.FileSyncService;
  74 import com.owncloud.android.ui.fragment.FileDetailFragment;
  75 import com.owncloud.android.ui.fragment.OCFileListFragment;
  76
  77 import com.owncloud.android.R;
  78 import eu.alefzero.webdav.WebdavClient;
  79
  80 /**
  81  * Displays, what files the user has available in his ownCloud.
  82  *
  83  * @author Bartek Przybylski
  84  *
  85  */
  86
  87 public class FileDisplayActivity extends SherlockFragmentActivity implements
  88     OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNavigationListener {
  89
  90     private ArrayAdapter<String> mDirectories;
  91     private OCFile mCurrentDir;
  92
  93     private DataStorageManager mStorageManager;
  94     private SyncBroadcastReceiver mSyncBroadcastReceiver;
  95     private UploadFinishReceiver mUploadFinishReceiver;
  96     private DownloadFinishReceiver mDownloadFinishReceiver;
  97     private FileDownloaderBinder mDownloaderBinder = null;
  98
  99     private OCFileListFragment mFileList;
 100
 101     private boolean mDualPane;
 102
 103     private static final int DIALOG_SETUP_ACCOUNT = 0;
 104     private static final int DIALOG_CREATE_DIR = 1;
 105     private static final int DIALOG_ABOUT_APP = 2;
 106     public static final int DIALOG_SHORT_WAIT = 3;
 107     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 4;
 108
 109     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 110     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 111
 112     private static final String TAG = "FileDisplayActivity";
 113
 114     @Override
 115     public void onCreate(Bundle savedInstanceState) {
 116         Log.d(getClass().toString(), "onCreate() start");
 117         super.onCreate(savedInstanceState);
 118
 119         /// saved instance state: keep this always before initDataFromCurrentAccount()
 120         if(savedInstanceState != null) {
 121             mCurrentDir = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 122         }
 123
 124         if (!AccountUtils.accountsAreSetup(this)) {
 125             /// no account available: FORCE ACCOUNT CREATION
 126             mStorageManager = null;
 127             createFirstAccount();
 128
 129         } else {    /// at least an account is available
 130
 131             bindService(new Intent(this, FileDownloader.class), mConnection, Context.BIND_AUTO_CREATE);
 132             initDataFromCurrentAccount();
 133
 134         }
 135
 136         // PIN CODE request ;  best location is to decide, let's try this first
 137         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 138             requestPinCode();
 139         }
 140
 141         // file observer
 142         /*Intent observer_intent = new Intent(this, FileObserverService.class);
 143         observer_intent.putExtra(FileObserverService.KEY_FILE_CMD, FileObserverService.CMD_INIT_OBSERVED_LIST);
 144         startService(observer_intent);
 145         */
 146
 147         /// USER INTERFACE
 148         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 149
 150         // Drop-down navigation
 151         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 152         OCFile currFile = mCurrentDir;
 153         while(currFile != null && currFile.getFileName() != OCFile.PATH_SEPARATOR) {
 154             mDirectories.add(currFile.getFileName());
 155             currFile = mStorageManager.getFileById(currFile.getParentId());
 156         }
 157         mDirectories.add(OCFile.PATH_SEPARATOR);
 158
 159         // Inflate and set the layout view
 160         setContentView(R.layout.files);
 161         mFileList = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 162         mDualPane = (findViewById(R.id.file_details_container) != null);
 163         if (mDualPane && getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG) == null) {
 164             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 165             transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 166             transaction.commit();
 167         }
 168
 169         // Action bar setup
 170         ActionBar actionBar = getSupportActionBar();
 171         actionBar.setHomeButtonEnabled(true);   // mandatory since Android ICS, according to the official documentation
 172         actionBar.setDisplayHomeAsUpEnabled(mCurrentDir != null && mCurrentDir.getParentId() != 0);
 173         actionBar.setDisplayShowTitleEnabled(false);
 174         actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 175         actionBar.setListNavigationCallbacks(mDirectories, this);
 176         setSupportProgressBarIndeterminateVisibility(false);        // always AFTER setContentView(...) ; to workaround bug in its implementation
 177
 178         Log.d(getClass().toString(), "onCreate() end");
 179     }
 180
 181
 182     /**
 183      * Launches the account creation activity. To use when no ownCloud account is available
 184      */
 185     private void createFirstAccount() {
 186         Intent intent = new Intent(android.provider.Settings.ACTION_ADD_ACCOUNT);
 187         intent.putExtra(android.provider.Settings.EXTRA_AUTHORITIES, new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 188         startActivity(intent);  // the new activity won't be created until this.onStart() and this.onResume() are finished;
 189     }
 190
 191
 192     /**
 193      *  Load of state dependent of the existence of an ownCloud account
 194      */
 195     private void initDataFromCurrentAccount() {
 196         /// Storage manager initialization - access to local database
 197         mStorageManager = new FileDataStorageManager(
 198                 AccountUtils.getCurrentOwnCloudAccount(this),
 199                 getContentResolver());
 200
 201         /// State recovery - CURRENT DIRECTORY ; priority: 1/ getIntent(), 2/ savedInstanceState (in onCreate()), 3/ root dir
 202         if(getIntent().hasExtra(FileDetailFragment.EXTRA_FILE)) {
 203             mCurrentDir = (OCFile) getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE);
 204             if(mCurrentDir != null && !mCurrentDir.isDirectory()){
 205                 mCurrentDir = mStorageManager.getFileById(mCurrentDir.getParentId());
 206             }
 207             // clear intent extra, so rotating the screen will not return us to this directory
 208             getIntent().removeExtra(FileDetailFragment.EXTRA_FILE);
 209         }
 210         if (mCurrentDir == null)
 211             mCurrentDir = mStorageManager.getFileByPath("/");   // this will return NULL if the database has not ever synchronized
 212     }
 213
 214
 215     @Override
 216     public void onDestroy() {
 217         super.onDestroy();
 218         unbindService(mConnection);
 219     }
 220
 221
 222     @Override
 223     public boolean onCreateOptionsMenu(Menu menu) {
 224         MenuInflater inflater = getSherlock().getMenuInflater();
 225             inflater.inflate(R.menu.menu, menu);
 226             return true;
 227     }
 228
 229     @Override
 230     public boolean onOptionsItemSelected(MenuItem item) {
 231         boolean retval = true;
 232         switch (item.getItemId()) {
 233             case R.id.createDirectoryItem: {
 234                 showDialog(DIALOG_CREATE_DIR);
 235                 break;
 236             }
 237             case R.id.startSync: {
 238                 ContentResolver.cancelSync(null, AccountAuthenticator.AUTH_TOKEN_TYPE);   // cancel the current synchronizations of any ownCloud account
 239                 Bundle bundle = new Bundle();
 240                 bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 241                 ContentResolver.requestSync(
 242                         AccountUtils.getCurrentOwnCloudAccount(this),
 243                         AccountAuthenticator.AUTH_TOKEN_TYPE, bundle);
 244                 break;
 245             }
 246             case R.id.action_upload: {
 247                 showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 248                 break;
 249             }
 250             case R.id.action_settings: {
 251                 Intent settingsIntent = new Intent(this, Preferences.class);
 252                 startActivity(settingsIntent);
 253                 break;
 254             }
 255             case R.id.about_app : {
 256                 showDialog(DIALOG_ABOUT_APP);
 257                 break;
 258             }
 259             case android.R.id.home: {
 260                 if(mCurrentDir != null && mCurrentDir.getParentId() != 0){
 261                     onBackPressed();
 262                 }
 263                 break;
 264             }
 265             default:
 266                 retval = false;
 267         }
 268         return retval;
 269     }
 270
 271     @Override
 272     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 273         int i = itemPosition;
 274         while (i-- != 0) {
 275             onBackPressed();
 276         }
 277         // the next operation triggers a new call to this method, but it's necessary to
 278         // ensure that the name exposed in the action bar is the current directory when the
 279         // user selected it in the navigation list
 280         if (itemPosition != 0)
 281             getSupportActionBar().setSelectedNavigationItem(0);
 282         return true;
 283     }
 284
 285     /**
 286      * Called, when the user selected something for uploading
 287      */
 288     public void onActivityResult(int requestCode, int resultCode, Intent data) {
 289
 290         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && resultCode == RESULT_OK) {
 291             requestSimpleUpload(data);
 292
 293         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && resultCode == RESULT_OK) {
 294             requestMultipleUpload(data);
 295
 296         }
 297     }
 298
 299     private void requestMultipleUpload(Intent data) {
 300         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 301         if (filePaths != null) {
 302             String[] remotePaths = new String[filePaths.length];
 303             String remotePathBase = "";
 304             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 305                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 306             }
 307             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 308                 remotePathBase += OCFile.PATH_SEPARATOR;
 309             for (int j = 0; j< remotePaths.length; j++) {
 310                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 311             }
 312
 313             Intent i = new Intent(this, FileUploader.class);
 314             i.putExtra(FileUploader.KEY_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
 315             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 316             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 317             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 318             startService(i);
 319
 320         } else {
 321             Log.d("FileDisplay", "User clicked on 'Update' with no selection");
 322             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 323             t.show();
 324             return;
 325         }
 326     }
 327
 328
 329     private void requestSimpleUpload(Intent data) {
 330         String filepath = null;
 331         try {
 332             Uri selectedImageUri = data.getData();
 333
 334             String filemanagerstring = selectedImageUri.getPath();
 335             String selectedImagePath = getPath(selectedImageUri);
 336
 337             if (selectedImagePath != null)
 338                 filepath = selectedImagePath;
 339             else
 340                 filepath = filemanagerstring;
 341
 342         } catch (Exception e) {
 343             Log.e("FileDisplay", "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 344             e.printStackTrace();
 345
 346         } finally {
 347             if (filepath == null) {
 348                 Log.e("FileDisplay", "Couldnt resolve path to file");
 349                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 350                 t.show();
 351                 return;
 352             }
 353         }
 354
 355         Intent i = new Intent(this, FileUploader.class);
 356         i.putExtra(FileUploader.KEY_ACCOUNT,
 357                 AccountUtils.getCurrentOwnCloudAccount(this));
 358         String remotepath = new String();
 359         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 360             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 361         }
 362         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 363             remotepath += OCFile.PATH_SEPARATOR;
 364         remotepath += new File(filepath).getName();
 365
 366         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 367         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 368         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 369         startService(i);
 370     }
 371
 372
 373     @Override
 374     public void onBackPressed() {
 375         if (mDirectories.getCount() <= 1) {
 376             finish();
 377             return;
 378         }
 379         popDirname();
 380         mFileList.onNavigateUp();
 381         mCurrentDir = mFileList.getCurrentFile();
 382
 383         if (mDualPane) {
 384             // Resets the FileDetailsFragment on Tablets so that it always displays
 385             FileDetailFragment fileDetails = (FileDetailFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 386             if (fileDetails != null && !fileDetails.isEmpty()) {
 387                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 388                 transaction.remove(fileDetails);
 389                 transaction.add(R.id.file_details_container, new FileDetailFragment(null, null));
 390                 transaction.commit();
 391             }
 392         }
 393
 394         if(mCurrentDir.getParentId() == 0){
 395             ActionBar actionBar = getSupportActionBar();
 396             actionBar.setDisplayHomeAsUpEnabled(false);
 397         }
 398     }
 399
 400     @Override
 401     protected void onSaveInstanceState(Bundle outState) {
 402         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 403         Log.d(getClass().toString(), "onSaveInstanceState() start");
 404         super.onSaveInstanceState(outState);
 405         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mCurrentDir);
 406         Log.d(getClass().toString(), "onSaveInstanceState() end");
 407     }
 408
 409     @Override
 410     protected void onResume() {
 411         Log.d(getClass().toString(), "onResume() start");
 412         super.onResume();
 413
 414         if (AccountUtils.accountsAreSetup(this)) {
 415
 416             if (mStorageManager == null) {
 417                 // this is necessary for handling the come back to FileDisplayActivity when the first ownCloud account is created
 418                 initDataFromCurrentAccount();
 419             }
 420
 421             // Listen for sync messages
 422             IntentFilter syncIntentFilter = new IntentFilter(FileSyncService.SYNC_MESSAGE);
 423             mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 424             registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 425
 426             // Listen for upload messages
 427             IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 428             mUploadFinishReceiver = new UploadFinishReceiver();
 429             registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 430
 431             // Listen for download messages
 432             IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 433             mDownloadFinishReceiver = new DownloadFinishReceiver();
 434             registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 435
 436             // List current directory
 437             mFileList.listDirectory(mCurrentDir);   // we should find the way to avoid the need of this
 438
 439         } else {
 440
 441             mStorageManager = null;     // an invalid object will be there if all the ownCloud accounts are removed
 442             showDialog(DIALOG_SETUP_ACCOUNT);
 443
 444         }
 445         Log.d(getClass().toString(), "onResume() end");
 446     }
 447
 448     @Override
 449     protected void onPause() {
 450         Log.d(getClass().toString(), "onPause() start");
 451         super.onPause();
 452         if (mSyncBroadcastReceiver != null) {
 453             unregisterReceiver(mSyncBroadcastReceiver);
 454             mSyncBroadcastReceiver = null;
 455         }
 456         if (mUploadFinishReceiver != null) {
 457             unregisterReceiver(mUploadFinishReceiver);
 458             mUploadFinishReceiver = null;
 459         }
 460         if (mDownloadFinishReceiver != null) {
 461             unregisterReceiver(mDownloadFinishReceiver);
 462             mDownloadFinishReceiver = null;
 463         }
 464         if (!AccountUtils.accountsAreSetup(this)) {
 465             dismissDialog(DIALOG_SETUP_ACCOUNT);
 466         }
 467
 468         getIntent().putExtra(FileDetailFragment.EXTRA_FILE, mCurrentDir);
 469         Log.d(getClass().toString(), "onPause() end");
 470     }
 471
 472     @Override
 473     protected Dialog onCreateDialog(int id) {
 474         Dialog dialog = null;
 475         AlertDialog.Builder builder;
 476         switch (id) {
 477         case DIALOG_SETUP_ACCOUNT: {
 478             builder = new AlertDialog.Builder(this);
 479             builder.setTitle(R.string.main_tit_accsetup);
 480             builder.setMessage(R.string.main_wrn_accsetup);
 481             builder.setCancelable(false);
 482             builder.setPositiveButton(android.R.string.ok, new OnClickListener() {
 483                 public void onClick(DialogInterface dialog, int which) {
 484                     createFirstAccount();
 485                     dialog.dismiss();
 486                 }
 487             });
 488             builder.setNegativeButton(R.string.common_exit, new OnClickListener() {
 489                 public void onClick(DialogInterface dialog, int which) {
 490                     dialog.dismiss();
 491                     finish();
 492                 }
 493             });
 494             //builder.setNegativeButton(android.R.string.cancel, this);
 495             dialog = builder.create();
 496             break;
 497         }
 498         case DIALOG_ABOUT_APP: {
 499             builder = new AlertDialog.Builder(this);
 500             builder.setTitle(getString(R.string.about_title));
 501             PackageInfo pkg;
 502             try {
 503                 pkg = getPackageManager().getPackageInfo(getPackageName(), 0);
 504                 builder.setMessage("ownCloud android client\n\nversion: " + pkg.versionName );
 505                 builder.setIcon(android.R.drawable.ic_menu_info_details);
 506                 dialog = builder.create();
 507             } catch (NameNotFoundException e) {
 508                 builder = null;
 509                 dialog = null;
 510                 Log.e(TAG, "Error while showing about dialog", e);
 511             }
 512             break;
 513         }
 514         case DIALOG_CREATE_DIR: {
 515             builder = new Builder(this);
 516             final EditText dirNameInput = new EditText(getBaseContext());
 517             builder.setView(dirNameInput);
 518             builder.setTitle(R.string.uploader_info_dirname);
 519             int typed_color = getResources().getColor(R.color.setup_text_typed);
 520             dirNameInput.setTextColor(typed_color);
 521             builder.setPositiveButton(android.R.string.ok,
 522                     new OnClickListener() {
 523                         public void onClick(DialogInterface dialog, int which) {
 524                             String directoryName = dirNameInput.getText().toString();
 525                             if (directoryName.trim().length() == 0) {
 526                                 dialog.cancel();
 527                                 return;
 528                             }
 529
 530                             // Figure out the path where the dir needs to be created
 531                             String path;
 532                             if (mCurrentDir == null) {
 533                                 // this is just a patch; we should ensure that mCurrentDir never is null
 534                                 if (!mStorageManager.fileExists(OCFile.PATH_SEPARATOR)) {
 535                                     OCFile file = new OCFile(OCFile.PATH_SEPARATOR);
 536                                     mStorageManager.saveFile(file);
 537                                 }
 538                                 mCurrentDir = mStorageManager.getFileByPath(OCFile.PATH_SEPARATOR);
 539                             }
 540                             path = FileDisplayActivity.this.mCurrentDir.getRemotePath();
 541
 542                             // Create directory
 543                             path += directoryName + OCFile.PATH_SEPARATOR;
 544                             Thread thread = new Thread(new DirectoryCreator(path,  AccountUtils.getCurrentOwnCloudAccount(FileDisplayActivity.this), new Handler()));
 545                             thread.start();
 546
 547                             dialog.dismiss();
 548
 549                             showDialog(DIALOG_SHORT_WAIT);
 550                         }
 551                     });
 552             builder.setNegativeButton(R.string.common_cancel,
 553                     new OnClickListener() {
 554                         public void onClick(DialogInterface dialog, int which) {
 555                             dialog.cancel();
 556                         }
 557                     });
 558             dialog = builder.create();
 559             break;
 560         }
 561         case DIALOG_SHORT_WAIT: {
 562             ProgressDialog working_dialog = new ProgressDialog(this);
 563             working_dialog.setMessage(getResources().getString(
 564                     R.string.wait_a_moment));
 565             working_dialog.setIndeterminate(true);
 566             working_dialog.setCancelable(false);
 567             dialog = working_dialog;
 568             break;
 569         }
 570         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 571             final String [] items = {   getString(R.string.actionbar_upload_files),
 572                                         getString(R.string.actionbar_upload_from_apps) };
 573             builder = new AlertDialog.Builder(this);
 574             builder.setTitle(R.string.actionbar_upload);
 575             builder.setItems(items, new DialogInterface.OnClickListener() {
 576                 public void onClick(DialogInterface dialog, int item) {
 577                     if (item == 0) {
 578                         //if (!mDualPane) {
 579                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 580                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 581                         //} else {
 582                             // TODO create and handle new fragment LocalFileListFragment
 583                         //}
 584                     } else if (item == 1) {
 585                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 586                         action = action.setType("*/*")
 587                                 .addCategory(Intent.CATEGORY_OPENABLE);
 588                         startActivityForResult(
 589                                 Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 590                                 ACTION_SELECT_CONTENT_FROM_APPS);
 591                     }
 592                 }
 593             });
 594             dialog = builder.create();
 595             break;
 596         }
 597         default:
 598             dialog = null;
 599         }
 600
 601         return dialog;
 602     }
 603
 604
 605     /**
 606      * Translates a content URI of an image to a physical path
 607      * on the disk
 608      * @param uri The URI to resolve
 609      * @return The path to the image or null if it could not be found
 610      */
 611     public String getPath(Uri uri) {
 612         String[] projection = { MediaStore.Images.Media.DATA };
 613         Cursor cursor = managedQuery(uri, projection, null, null, null);
 614         if (cursor != null) {
 615             int column_index = cursor
 616                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 617             cursor.moveToFirst();
 618             return cursor.getString(column_index);
 619         }
 620         return null;
 621     }
 622
 623     /**
 624      * Pushes a directory to the drop down list
 625      * @param directory to push
 626      * @throws IllegalArgumentException If the {@link OCFile#isDirectory()} returns false.
 627      */
 628     public void pushDirname(OCFile directory) {
 629         if(!directory.isDirectory()){
 630             throw new IllegalArgumentException("Only directories may be pushed!");
 631         }
 632         mDirectories.insert(directory.getFileName(), 0);
 633         mCurrentDir = directory;
 634     }
 635
 636     /**
 637      * Pops a directory name from the drop down list
 638      * @return True, unless the stack is empty
 639      */
 640     public boolean popDirname() {
 641         mDirectories.remove(mDirectories.getItem(0));
 642         return !mDirectories.isEmpty();
 643     }
 644
 645     private class DirectoryCreator implements Runnable {
 646         private String mTargetPath;
 647         private Account mAccount;
 648         private Handler mHandler;
 649
 650         public DirectoryCreator(String targetPath, Account account, Handler handler) {
 651             mTargetPath = targetPath;
 652             mAccount = account;
 653             mHandler = handler;
 654         }
 655
 656         @Override
 657         public void run() {
 658             WebdavClient wdc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getApplicationContext());
 659             boolean created = wdc.createDirectory(mTargetPath);
 660             if (created) {
 661                 mHandler.post(new Runnable() {
 662                     @Override
 663                     public void run() {
 664                         dismissDialog(DIALOG_SHORT_WAIT);
 665
 666                         // Save new directory in local database
 667                         OCFile newDir = new OCFile(mTargetPath);
 668                         newDir.setMimetype("DIR");
 669                         newDir.setParentId(mCurrentDir.getFileId());
 670                         mStorageManager.saveFile(newDir);
 671
 672                         // Display the new folder right away
 673                         mFileList.listDirectory(mCurrentDir);
 674                     }
 675                 });
 676
 677             } else {
 678                 mHandler.post(new Runnable() {
 679                     @Override
 680                     public void run() {
 681                         dismissDialog(DIALOG_SHORT_WAIT);
 682                         try {
 683                             Toast msg = Toast.makeText(FileDisplayActivity.this, R.string.create_dir_fail_msg, Toast.LENGTH_LONG);
 684                             msg.show();
 685
 686                         } catch (NotFoundException e) {
 687                             Log.e(TAG, "Error while trying to show fail message " , e);
 688                         }
 689                     }
 690                 });
 691             }
 692         }
 693
 694     }
 695
 696     // Custom array adapter to override text colors
 697     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 698
 699         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 700             super(ctx, view);
 701         }
 702
 703         public View getView(int position, View convertView, ViewGroup parent) {
 704             View v = super.getView(position, convertView, parent);
 705
 706             ((TextView) v).setTextColor(getResources().getColorStateList(
 707                     android.R.color.white));
 708             return v;
 709         }
 710
 711         public View getDropDownView(int position, View convertView,
 712                 ViewGroup parent) {
 713             View v = super.getDropDownView(position, convertView, parent);
 714
 715             ((TextView) v).setTextColor(getResources().getColorStateList(
 716                     android.R.color.white));
 717
 718             return v;
 719         }
 720
 721     }
 722
 723     private class SyncBroadcastReceiver extends BroadcastReceiver {
 724         /**
 725          * {@link BroadcastReceiver} to enable syncing feedback in UI
 726          */
 727         @Override
 728         public void onReceive(Context context, Intent intent) {
 729             boolean inProgress = intent.getBooleanExtra(
 730                     FileSyncService.IN_PROGRESS, false);
 731             String accountName = intent
 732                     .getStringExtra(FileSyncService.ACCOUNT_NAME);
 733
 734             Log.d("FileDisplay", "sync of account " + accountName
 735                     + " is in_progress: " + inProgress);
 736
 737             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name)) {
 738
 739                 String synchFolderRemotePath = intent.getStringExtra(FileSyncService.SYNC_FOLDER_REMOTE_PATH);
 740
 741                 boolean fillBlankRoot = false;
 742                 if (mCurrentDir == null) {
 743                     mCurrentDir = mStorageManager.getFileByPath("/");
 744                     fillBlankRoot = (mCurrentDir != null);
 745                 }
 746
 747                 if ((synchFolderRemotePath != null && mCurrentDir != null && (mCurrentDir.getRemotePath().equals(synchFolderRemotePath)))
 748                         || fillBlankRoot ) {
 749                     if (!fillBlankRoot)
 750                         mCurrentDir = getStorageManager().getFileByPath(synchFolderRemotePath);
 751                     OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager()
 752                             .findFragmentById(R.id.fileList);
 753                     if (fileListFragment != null) {
 754                         fileListFragment.listDirectory(mCurrentDir);
 755                     }
 756                 }
 757
 758                 setSupportProgressBarIndeterminateVisibility(inProgress);
 759
 760             }
 761         }
 762     }
 763
 764
 765     private class UploadFinishReceiver extends BroadcastReceiver {
 766         /**
 767          * Once the file upload has finished -> update view
 768          *  @author David A. Velasco
 769          * {@link BroadcastReceiver} to enable upload feedback in UI
 770          */
 771         @Override
 772         public void onReceive(Context context, Intent intent) {
 773             long parentDirId = intent.getLongExtra(FileUploader.EXTRA_PARENT_DIR_ID, -1);
 774             OCFile parentDir = mStorageManager.getFileById(parentDirId);
 775             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 776
 777             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name) &&
 778                     parentDir != null &&
 779                     (   (mCurrentDir == null && parentDir.getFileName().equals("/")) ||
 780                             parentDir.equals(mCurrentDir)
 781                     )
 782                 ) {
 783                 OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 784                 if (fileListFragment != null) {
 785                     fileListFragment.listDirectory();
 786                 }
 787             }
 788         }
 789
 790     }
 791
 792
 793     /**
 794      * Once the file download has finished -> update view
 795      */
 796     private class DownloadFinishReceiver extends BroadcastReceiver {
 797         @Override
 798         public void onReceive(Context context, Intent intent) {
 799             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 800             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 801
 802             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name) &&
 803                      mCurrentDir != null && mCurrentDir.getFileId() == mStorageManager.getFileByPath(downloadedRemotePath).getParentId()) {
 804                 OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 805                 if (fileListFragment != null) {
 806                     fileListFragment.listDirectory();
 807                 }
 808             }
 809         }
 810     }
 811
 812
 813
 814
 815     /**
 816      * {@inheritDoc}
 817      */
 818     @Override
 819     public DataStorageManager getStorageManager() {
 820         return mStorageManager;
 821     }
 822
 823
 824     /**
 825      * {@inheritDoc}
 826      */
 827     @Override
 828     public void onDirectoryClick(OCFile directory) {
 829         pushDirname(directory);
 830         ActionBar actionBar = getSupportActionBar();
 831         actionBar.setDisplayHomeAsUpEnabled(true);
 832
 833         if (mDualPane) {
 834             // Resets the FileDetailsFragment on Tablets so that it always displays
 835             FileDetailFragment fileDetails = (FileDetailFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 836             if (fileDetails != null && !fileDetails.isEmpty()) {
 837                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 838                 transaction.remove(fileDetails);
 839                 transaction.add(R.id.file_details_container, new FileDetailFragment(null, null));
 840                 transaction.commit();
 841             }
 842         }
 843     }
 844
 845
 846     /**
 847      * {@inheritDoc}
 848      */
 849     @Override
 850     public void onFileClick(OCFile file) {
 851
 852         // If we are on a large device -> update fragment
 853         if (mDualPane) {
 854             // 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'
 855             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 856             transaction.replace(R.id.file_details_container, new FileDetailFragment(file, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
 857             transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
 858             transaction.commit();
 859
 860         } else {    // small or medium screen device -> new Activity
 861             Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
 862             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, file);
 863             showDetailsIntent.putExtra(FileDownloader.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
 864             startActivity(showDetailsIntent);
 865         }
 866     }
 867
 868
 869     /**
 870      * {@inheritDoc}
 871      */
 872     @Override
 873     public OCFile getInitialDirectory() {
 874         return mCurrentDir;
 875     }
 876
 877
 878     /**
 879      * {@inheritDoc}
 880      */
 881     @Override
 882     public void onFileStateChanged() {
 883         OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 884         if (fileListFragment != null) {
 885             fileListFragment.listDirectory();
 886         }
 887     }
 888
 889
 890     /**
 891      * {@inheritDoc}
 892      */
 893     @Override
 894     public FileDownloaderBinder getFileDownloaderBinder() {
 895         return mDownloaderBinder;
 896     }
 897
 898
 899     /** Defines callbacks for service binding, passed to bindService() */
 900     private ServiceConnection mConnection = new ServiceConnection() {
 901
 902         @Override
 903         public void onServiceConnected(ComponentName className, IBinder service) {
 904             mDownloaderBinder = (FileDownloaderBinder) service;
 905             // a new chance to get the mDownloadBinder through getDownloadBinder() - THIS IS A MESS
 906             mFileList.listDirectory();
 907             if (mDualPane) {
 908                 FileDetailFragment fragment = (FileDetailFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 909                 if (fragment != null)
 910                     fragment.updateFileDetails();
 911             }
 912
 913         }
 914
 915         @Override
 916         public void onServiceDisconnected(ComponentName arg0) {
 917             mDownloaderBinder = null;
 918         }
 919     };
 920
 921
 922
 923     /**
 924      * Launch an intent to request the PIN code to the user before letting him use the app
 925      */
 926     private void requestPinCode() {
 927         boolean pinStart = false;
 928         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
 929         pinStart = appPrefs.getBoolean("set_pincode", false);
 930         if (pinStart) {
 931             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
 932             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
 933             startActivity(i);
 934         }
 935     }
 936
 937
 938 }