app/src/main/java/com/stoutner/privacybrowser/activities/BookmarksDatabaseViewActivity.java

   1 /*
   2  * Copyright © 2016-2018 Soren Stoutner <soren@stoutner.com>.
   3  *
   4  * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
   5  *
   6  * Privacy Browser is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * Privacy Browser is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with Privacy Browser.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 package com.stoutner.privacybrowser.activities;
  21
  22 import android.content.Context;
  23 import android.database.Cursor;
  24 import android.database.MatrixCursor;
  25 import android.database.MergeCursor;
  26 import android.graphics.Bitmap;
  27 import android.graphics.BitmapFactory;
  28 import android.graphics.Typeface;
  29 import android.graphics.drawable.BitmapDrawable;
  30 import android.graphics.drawable.Drawable;
  31 import android.os.Bundle;
  32 import android.support.v4.content.ContextCompat;
  33 import android.support.v4.widget.CursorAdapter;
  34 import android.support.v4.widget.ResourceCursorAdapter;
  35 import android.support.v7.app.ActionBar;
  36 import android.support.v7.app.AppCompatActivity;
  37 // `AppCompatDialogFragment` is required instead of `DialogFragment` or an error is produced on API <=22.
  38 import android.support.v7.app.AppCompatDialogFragment;
  39 import android.support.v7.widget.Toolbar;
  40 import android.view.View;
  41 import android.view.ViewGroup;
  42 import android.view.WindowManager;
  43 import android.widget.AdapterView;
  44 import android.widget.EditText;
  45 import android.widget.ImageView;
  46 import android.widget.ListView;
  47 import android.widget.RadioButton;
  48 import android.widget.Spinner;
  49 import android.widget.TextView;
  50
  51 import com.stoutner.privacybrowser.R;
  52 import com.stoutner.privacybrowser.dialogs.EditBookmarkDatabaseViewDialog;
  53 import com.stoutner.privacybrowser.dialogs.EditBookmarkFolderDatabaseViewDialog;
  54 import com.stoutner.privacybrowser.helpers.BookmarksDatabaseHelper;
  55
  56 import java.io.ByteArrayOutputStream;
  57
  58 public class BookmarksDatabaseViewActivity extends AppCompatActivity implements EditBookmarkDatabaseViewDialog.EditBookmarkDatabaseViewListener, EditBookmarkFolderDatabaseViewDialog.EditBookmarkFolderDatabaseViewListener {
  59     // Instantiate the constants.
  60     private static final int ALL_FOLDERS_DATABASE_ID = -2;
  61     private static final int HOME_FOLDER_DATABASE_ID = -1;
  62
  63     // `bookmarksDatabaseHelper` is used in `onCreate()`, `updateBookmarksListView()`, and `onDestroy()`.
  64     private BookmarksDatabaseHelper bookmarksDatabaseHelper;
  65
  66     // `bookmarksCursor` is used in `onCreate()`, `updateBookmarksListView()`, `onSaveBookmark()`, `onSaveBookmarkFolder()`, and `onDestroy()`.
  67     private Cursor bookmarksCursor;
  68
  69     // `bookmarksCursorAdapter` is used in `onCreate()`, `onSaveBookmark()`, `onSaveBookmarkFolder()`.
  70     private CursorAdapter bookmarksCursorAdapter;
  71
  72     // `oldFolderNameString` is used in `onCreate()` and `onSaveBookmarkFolder()`.
  73     private String oldFolderNameString;
  74
  75     // `currentFolderDatabaseId` is used in `onCreate()`, `onSaveBookmark()`, and `onSaveBookmarkFolder()`.
  76     private int currentFolderDatabaseId;
  77
  78     // `currentFolder` is used in `onCreate()`, `onSaveBookmark()`, and `onSaveBookmarkFolder()`.
  79     private String currentFolderName;
  80
  81     @Override
  82     public void onCreate(Bundle savedInstanceState) {
  83         // Disable screenshots if not allowed.
  84         if (!MainWebViewActivity.allowScreenshots) {
  85             getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
  86         }
  87
  88         // Set the activity theme.
  89         if (MainWebViewActivity.darkTheme) {
  90             setTheme(R.style.PrivacyBrowserDark_SecondaryActivity);
  91         } else {
  92             setTheme(R.style.PrivacyBrowserLight_SecondaryActivity);
  93         }
  94
  95         // Run the default commands.
  96         super.onCreate(savedInstanceState);
  97
  98         // Set the content view.
  99         setContentView(R.layout.bookmarks_databaseview_coordinatorlayout);
 100
 101         // The `SupportActionBar` from `android.support.v7.app.ActionBar` must be used until the minimum API is >= 21.
 102         final Toolbar bookmarksDatabaseViewAppBar = findViewById(R.id.bookmarks_databaseview_toolbar);
 103         setSupportActionBar(bookmarksDatabaseViewAppBar);
 104
 105         // Get a handle for the `AppBar`.
 106         final ActionBar appBar = getSupportActionBar();
 107
 108         // Remove the incorrect warning in Android Studio that `appBar` might be null.
 109         assert appBar != null;
 110
 111         // Display the spinner and the back arrow in the app bar.
 112         appBar.setCustomView(R.layout.bookmarks_databaseview_spinner);
 113         appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM | ActionBar.DISPLAY_HOME_AS_UP);
 114
 115         // Initialize the database handler.  `this` specifies the context.  The two `null`s do not specify the database name or a `CursorFactory`.  The `0` is to specify a database version, but that is set instead using a constant in `BookmarksDatabaseHelper`.
 116         bookmarksDatabaseHelper = new BookmarksDatabaseHelper(this, null, null, 0);
 117
 118         // Setup a matrix cursor for "All Folders" and "Home Folder".
 119         String[] matrixCursorColumnNames = {BookmarksDatabaseHelper._ID, BookmarksDatabaseHelper.BOOKMARK_NAME};
 120         MatrixCursor matrixCursor = new MatrixCursor(matrixCursorColumnNames);
 121         matrixCursor.addRow(new Object[]{ALL_FOLDERS_DATABASE_ID, getString(R.string.all_folders)});
 122         matrixCursor.addRow(new Object[]{HOME_FOLDER_DATABASE_ID, getString(R.string.home_folder)});
 123
 124         // Get a `Cursor` with the list of all the folders.
 125         Cursor foldersCursor = bookmarksDatabaseHelper.getAllFoldersCursor();
 126
 127         // Combine `matrixCursor` and `foldersCursor`.
 128         MergeCursor foldersMergeCursor = new MergeCursor(new Cursor[]{matrixCursor, foldersCursor});
 129
 130         // Create a resource cursor adapter for the spinner.
 131         ResourceCursorAdapter foldersCursorAdapter = new ResourceCursorAdapter(this, R.layout.bookmarks_databaseview_spinner_item, foldersMergeCursor, 0) {
 132             @Override
 133             public void bindView(View view, Context context, Cursor cursor) {
 134                 // Get a handle for the spinner item text view.
 135                 TextView spinnerItemTextView = view.findViewById(R.id.spinner_item_textview);
 136
 137                 // Set the text view to display the folder name.
 138                 spinnerItemTextView.setText(cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)));
 139             }
 140         };
 141
 142         // Set the resource cursor adapter drop drown view resource.
 143         foldersCursorAdapter.setDropDownViewResource(R.layout.bookmarks_databaseview_spinner_dropdown_item);
 144
 145         // Get a handle for the folder spinner and set the adapter.
 146         Spinner folderSpinner = findViewById(R.id.bookmarks_databaseview_spinner);
 147         folderSpinner.setAdapter(foldersCursorAdapter);
 148
 149         // Handle clicks on the spinner dropdown.
 150         folderSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
 151             @Override
 152             public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
 153                 // Convert the database ID to an `int`.
 154                 int databaseId = (int) id;
 155
 156                 // Store the current folder database ID.
 157                 currentFolderDatabaseId = databaseId;
 158
 159                 // Populate the bookmarks list view based on the spinner selection.
 160                 switch (databaseId) {
 161                     // Get a cursor with all the folders.
 162                     case ALL_FOLDERS_DATABASE_ID:
 163                         bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor();
 164                         break;
 165
 166                     // Get a cursor for the home folder.
 167                     case HOME_FOLDER_DATABASE_ID:
 168                         bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor("");
 169                         break;
 170
 171                     // Display the selected folder.
 172                     default:
 173                         // Get a handle for the selected view.
 174                         TextView selectedFolderTextView = view.findViewById(R.id.spinner_item_textview);
 175
 176                         // Extract the name of the selected folder.
 177                         String folderName = selectedFolderTextView.getText().toString();
 178
 179                         // Get a cursor for the selected folder.
 180                         bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor(folderName);
 181
 182                         // Store the current folder name.
 183                         currentFolderName = folderName;
 184                 }
 185
 186                 // Update the list view.
 187                 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
 188             }
 189
 190             @Override
 191             public void onNothingSelected(AdapterView<?> parent) {
 192                 // Do nothing.
 193             }
 194         });
 195
 196         // Get a handle for the bookmarks `ListView`.
 197         ListView bookmarksListView = findViewById(R.id.bookmarks_databaseview_listview);
 198
 199         // Get a `Cursor` with the current contents of the bookmarks database.
 200         bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor();
 201
 202         // Setup a `CursorAdapter` with `this` context.  `false` disables autoRequery.
 203         bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
 204             @Override
 205             public View newView(Context context, Cursor cursor, ViewGroup parent) {
 206                 // Inflate the individual item layout.  `false` does not attach it to the root.
 207                 return getLayoutInflater().inflate(R.layout.bookmarks_databaseview_item_linearlayout, parent, false);
 208             }
 209
 210             @Override
 211             public void bindView(View view, Context context, Cursor cursor) {
 212                 boolean isFolder = (cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1);
 213
 214                 // Get the database ID from the `Cursor` and display it in `bookmarkDatabaseIdTextView`.
 215                 int bookmarkDatabaseId = cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper._ID));
 216                 TextView bookmarkDatabaseIdTextView = view.findViewById(R.id.bookmarks_databaseview_database_id);
 217                 bookmarkDatabaseIdTextView.setText(String.valueOf(bookmarkDatabaseId));
 218
 219                 // Get the favorite icon byte array from the `Cursor`.
 220                 byte[] favoriteIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON));
 221                 // Convert the byte array to a `Bitmap` beginning at the beginning at the first byte and ending at the last.
 222                 Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
 223                 // Display the bitmap in `bookmarkFavoriteIcon`.
 224                 ImageView bookmarkFavoriteIcon = view.findViewById(R.id.bookmarks_databaseview_favorite_icon);
 225                 bookmarkFavoriteIcon.setImageBitmap(favoriteIconBitmap);
 226
 227                 // Get the bookmark name from the `Cursor` and display it in `bookmarkNameTextView`.
 228                 String bookmarkNameString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
 229                 TextView bookmarkNameTextView = view.findViewById(R.id.bookmarks_databaseview_bookmark_name);
 230                 bookmarkNameTextView.setText(bookmarkNameString);
 231
 232                 // Make the font bold for folders.
 233                 if (isFolder) {
 234                     // The first argument is `null` prevent changing of the font.
 235                     bookmarkNameTextView.setTypeface(null, Typeface.BOLD);
 236                 } else {  // Reset the font to default.
 237                     bookmarkNameTextView.setTypeface(Typeface.DEFAULT);
 238                 }
 239
 240                 // Get the bookmark URL form the `Cursor` and display it in `bookmarkUrlTextView`.
 241                 String bookmarkUrlString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL));
 242                 TextView bookmarkUrlTextView = view.findViewById(R.id.bookmarks_databaseview_bookmark_url);
 243                 bookmarkUrlTextView.setText(bookmarkUrlString);
 244
 245                 // Hide the URL if the bookmark is a folder.
 246                 if (isFolder) {
 247                     bookmarkUrlTextView.setVisibility(View.GONE);
 248                 } else {
 249                     bookmarkUrlTextView.setVisibility(View.VISIBLE);
 250                 }
 251
 252                 // Get the display order from the `Cursor` and display it in `bookmarkDisplayOrderTextView`.
 253                 int bookmarkDisplayOrder = cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER));
 254                 TextView bookmarkDisplayOrderTextView = view.findViewById(R.id.bookmarks_databaseview_display_order);
 255                 bookmarkDisplayOrderTextView.setText(String.valueOf(bookmarkDisplayOrder));
 256
 257                 // Get the parent folder from the `Cursor` and display it in `bookmarkParentFolder`.
 258                 String bookmarkParentFolder = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER));
 259                 ImageView parentFolderImageView = view.findViewById(R.id.bookmarks_databaseview_parent_folder_icon);
 260                 TextView bookmarkParentFolderTextView = view.findViewById(R.id.bookmarks_databaseview_parent_folder);
 261
 262                 // Make the folder name gray if it is the home folder.
 263                 if (bookmarkParentFolder.isEmpty()) {
 264                     parentFolderImageView.setImageDrawable(ContextCompat.getDrawable(getApplicationContext(), R.drawable.folder_gray));
 265                     bookmarkParentFolderTextView.setText(R.string.home_folder);
 266                     bookmarkParentFolderTextView.setTextColor(ContextCompat.getColor(getApplicationContext(), R.color.gray_500));
 267                 } else {
 268                     parentFolderImageView.setImageDrawable(ContextCompat.getDrawable(getApplicationContext(), R.drawable.folder_dark_blue));
 269                     bookmarkParentFolderTextView.setText(bookmarkParentFolder);
 270
 271                     // Set the text color according to the theme.
 272                     if (MainWebViewActivity.darkTheme) {
 273                         bookmarkParentFolderTextView.setTextColor(ContextCompat.getColor(getApplicationContext(), R.color.gray_300));
 274                     } else {
 275                         bookmarkParentFolderTextView.setTextColor(ContextCompat.getColor(getApplicationContext(), R.color.black));
 276                     }
 277                 }
 278             }
 279         };
 280
 281         // Update the ListView.
 282         bookmarksListView.setAdapter(bookmarksCursorAdapter);
 283
 284         // Set the current folder database ID.
 285         currentFolderDatabaseId = ALL_FOLDERS_DATABASE_ID;
 286
 287         // Set a listener to edit a bookmark when it is tapped.
 288         bookmarksListView.setOnItemClickListener((AdapterView<?> parent, View view, int position, long id) -> {
 289             // Convert the database ID to an `int`.
 290             int databaseId = (int) id;
 291
 292             // Show the edit bookmark or edit bookmark folder dialog.
 293             if (bookmarksDatabaseHelper.isFolder(databaseId)) {
 294                 // Save the current folder name, which is used in `onSaveBookmarkFolder()`.
 295                 oldFolderNameString = bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
 296
 297                 // Show the edit bookmark folder dialog.
 298                 AppCompatDialogFragment editBookmarkFolderDatabaseViewDialog = EditBookmarkFolderDatabaseViewDialog.folderDatabaseId(databaseId);
 299                 editBookmarkFolderDatabaseViewDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_folder));
 300             } else {
 301                 // Show the edit bookmark dialog.
 302                 AppCompatDialogFragment editBookmarkDatabaseViewDialog = EditBookmarkDatabaseViewDialog.bookmarkDatabaseId(databaseId);
 303                 editBookmarkDatabaseViewDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_bookmark));
 304             }
 305         });
 306     }
 307
 308     @Override
 309     public void onSaveBookmark(AppCompatDialogFragment dialogFragment, int selectedBookmarkDatabaseId) {
 310         // Get handles for the views from dialog fragment.
 311         RadioButton currentBookmarkIconRadioButton = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_current_icon_radiobutton);
 312         EditText editBookmarkNameEditText = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_name_edittext);
 313         EditText editBookmarkUrlEditText = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_url_edittext);
 314         Spinner folderSpinner = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_folder_spinner);
 315         EditText displayOrderEditText = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_display_order_edittext);
 316
 317         // Extract the bookmark information.
 318         String bookmarkNameString = editBookmarkNameEditText.getText().toString();
 319         String bookmarkUrlString = editBookmarkUrlEditText.getText().toString();
 320         int folderDatabaseId = (int) folderSpinner.getSelectedItemId();
 321         int displayOrderInt = Integer.valueOf(displayOrderEditText.getText().toString());
 322
 323         // Instantiate the parent folder name `String`.
 324         String parentFolderNameString;
 325
 326         // Set the parent folder name.
 327         if (folderDatabaseId == EditBookmarkDatabaseViewDialog.HOME_FOLDER_DATABASE_ID) {  // The home folder is selected.  Use `""`.
 328             parentFolderNameString = "";
 329         } else {  // Get the parent folder name from the database.
 330             parentFolderNameString = bookmarksDatabaseHelper.getFolderName(folderDatabaseId);
 331         }
 332
 333         // Update the bookmark.
 334         if (currentBookmarkIconRadioButton.isChecked()) {  // Update the bookmark without changing the favorite icon.
 335             bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, parentFolderNameString, displayOrderInt);
 336         } else {  // Update the bookmark using the `WebView` favorite icon.
 337             // Convert the favorite icon to a byte array.  `0` is for lossless compression (the only option for a PNG).
 338             ByteArrayOutputStream newFavoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
 339             MainWebViewActivity.favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFavoriteIconByteArrayOutputStream);
 340             byte[] newFavoriteIconByteArray = newFavoriteIconByteArrayOutputStream.toByteArray();
 341
 342             //  Update the bookmark and the favorite icon.
 343             bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, parentFolderNameString, displayOrderInt, newFavoriteIconByteArray);
 344         }
 345
 346         // Update `bookmarksCursor` with the contents of the current folder.
 347         switch (currentFolderDatabaseId) {
 348             case ALL_FOLDERS_DATABASE_ID:
 349                 // Get a cursor with all the bookmarks.
 350                 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor();
 351                 break;
 352
 353             case HOME_FOLDER_DATABASE_ID:
 354                 // Get a cursor with all the bookmarks in the home folder.
 355                 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor("");
 356                 break;
 357
 358             default:
 359                 // Get a cursor with all the bookmarks in the current folder.
 360                 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor(currentFolderName);
 361         }
 362
 363         // Update the `ListView`.
 364         bookmarksCursorAdapter.changeCursor(bookmarksCursor);
 365     }
 366
 367     @Override
 368     public void onSaveBookmarkFolder(AppCompatDialogFragment dialogFragment, int selectedBookmarkDatabaseId) {
 369         // Get handles for the views from dialog fragment.
 370         RadioButton currentBookmarkIconRadioButton = dialogFragment.getDialog().findViewById(R.id.edit_folder_current_icon_radiobutton);
 371         RadioButton defaultFolderIconRadioButton = dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon_radiobutton);
 372         ImageView defaultFolderIconImageView = dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon_imageview);
 373         EditText editBookmarkNameEditText = dialogFragment.getDialog().findViewById(R.id.edit_folder_name_edittext);
 374         Spinner parentFolderSpinner = dialogFragment.getDialog().findViewById(R.id.edit_folder_parent_folder_spinner);
 375         EditText displayOrderEditText = dialogFragment.getDialog().findViewById(R.id.edit_folder_display_order_edittext);
 376
 377         // Extract the folder information.
 378         String newFolderNameString = editBookmarkNameEditText.getText().toString();
 379         int parentFolderDatabaseId = (int) parentFolderSpinner.getSelectedItemId();
 380         int displayOrderInt = Integer.valueOf(displayOrderEditText.getText().toString());
 381
 382         // Instantiate the parent folder name `String`.
 383         String parentFolderNameString;
 384
 385         // Set the parent folder name.
 386         if (parentFolderDatabaseId == EditBookmarkFolderDatabaseViewDialog.HOME_FOLDER_DATABASE_ID) {  // The home folder is selected.  Use `""`.
 387             parentFolderNameString = "";
 388         } else {  // Get the parent folder name from the database.
 389             parentFolderNameString = bookmarksDatabaseHelper.getFolderName(parentFolderDatabaseId);
 390         }
 391
 392         // Update the folder.
 393         if (currentBookmarkIconRadioButton.isChecked()) {  // Update the folder without changing the favorite icon.
 394             bookmarksDatabaseHelper.updateFolder(selectedBookmarkDatabaseId, oldFolderNameString, newFolderNameString, parentFolderNameString, displayOrderInt);
 395         } else {  // Update the folder and the icon.
 396             // Instantiate the new folder icon `Bitmap`.
 397             Bitmap folderIconBitmap;
 398
 399             // Populate the new folder icon bitmap.
 400             if (defaultFolderIconRadioButton.isChecked()) {
 401                 // Get the default folder icon and convert it to a `Bitmap`.
 402                 Drawable folderIconDrawable = defaultFolderIconImageView.getDrawable();
 403                 BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
 404                 folderIconBitmap = folderIconBitmapDrawable.getBitmap();
 405             } else {  // Use the `WebView` favorite icon.
 406                 folderIconBitmap = MainWebViewActivity.favoriteIconBitmap;
 407             }
 408
 409             // Convert the folder icon to a byte array.  `0` is for lossless compression (the only option for a PNG).
 410             ByteArrayOutputStream newFolderIconByteArrayOutputStream = new ByteArrayOutputStream();
 411             folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFolderIconByteArrayOutputStream);
 412             byte[] newFolderIconByteArray = newFolderIconByteArrayOutputStream.toByteArray();
 413
 414             //  Update the folder and the icon.
 415             bookmarksDatabaseHelper.updateFolder(selectedBookmarkDatabaseId, oldFolderNameString, newFolderNameString, parentFolderNameString, displayOrderInt, newFolderIconByteArray);
 416         }
 417
 418         // Update `bookmarksCursor` with the contents of the current folder.
 419         switch (currentFolderDatabaseId) {
 420             case ALL_FOLDERS_DATABASE_ID:
 421                 // Get a cursor with all the bookmarks.
 422                 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor();
 423                 break;
 424
 425             case HOME_FOLDER_DATABASE_ID:
 426                 // Get a cursor with all the bookmarks in the home folder.
 427                 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor("");
 428                 break;
 429
 430             default:
 431                 // Get a cursor with all the bookmarks in the current folder.
 432                 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor(currentFolderName);
 433         }
 434
 435         // Update the `ListView`.
 436         bookmarksCursorAdapter.changeCursor(bookmarksCursor);
 437     }
 438
 439     @Override
 440     public void onDestroy() {
 441         // Close the bookmarks cursor and database.
 442         bookmarksCursor.close();
 443         bookmarksDatabaseHelper.close();
 444
 445         // Run the default commands.
 446         super.onDestroy();
 447     }
 448 }