d66ae03c7cdfd91bbe3c2070281358943f782133
[PrivacyBrowser.git] / 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()` and `updateBookmarksListView()`.
64     private BookmarksDatabaseHelper bookmarksDatabaseHelper;
65
66     // `bookmarksCursor` is used in `onCreate()`, `updateBookmarksListView()`, `onSaveBookmark()`, and `onSaveBookmarkFolder()`.
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 `AppBar`.
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 `MatrixCursor` 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 `ResourceCursorAdapter` for the `Spinner` with `this` context.  `0` specifies no flags.;
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 `TextView`.
135                 TextView spinnerItemTextView = view.findViewById(R.id.spinner_item_textview);
136
137                 // Set the `TextView` to display the folder name.
138                 spinnerItemTextView.setText(cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)));
139             }
140         };
141
142         // Set the `ResourceCursorAdapter` drop drown view resource.
143         foldersCursorAdapter.setDropDownViewResource(R.layout.bookmarks_databaseview_spinner_dropdown_item);
144
145         // Get a handle for the folder `Spinner`.
146         Spinner folderSpinner = findViewById(R.id.bookmarks_databaseview_spinner);
147
148         // Set the adapter for the folder `Spinner`.
149         folderSpinner.setAdapter(foldersCursorAdapter);
150
151         // Handle clicks on the `Spinner` dropdown.
152         folderSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
153             @Override
154             public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
155                 // Convert the database ID to an `int`.
156                 int databaseId = (int) id;
157
158                 // Store the current folder database ID.
159                 currentFolderDatabaseId = databaseId;
160
161                 // Populate the bookmarks `ListView` based on the `Spinner` selection.
162                 switch (databaseId) {
163                     // Get a cursor with all the folders.
164                     case ALL_FOLDERS_DATABASE_ID:
165                         bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor();
166                         break;
167
168                     // Get a cursor for the home folder.
169                     case HOME_FOLDER_DATABASE_ID:
170                         bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor("");
171                         break;
172
173                     // Display the selected folder.
174                     default:
175                         // Get a handle for the selected view.
176                         TextView selectedFolderTextView = view.findViewById(R.id.spinner_item_textview);
177
178                         // Extract the name of the selected folder.
179                         String folderName = selectedFolderTextView.getText().toString();
180
181                         // Get a cursor for the selected folder.
182                         bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor(folderName);
183
184                         // Store the current folder name.
185                         currentFolderName = folderName;
186                 }
187
188                 // Update the `ListView`.
189                 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
190             }
191
192             @Override
193             public void onNothingSelected(AdapterView<?> parent) {
194                 // Do nothing.
195             }
196         });
197
198         // Get a handle for the bookmarks `ListView`.
199         ListView bookmarksListView = findViewById(R.id.bookmarks_databaseview_listview);
200
201         // Get a `Cursor` with the current contents of the bookmarks database.
202         bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor();
203
204         // Setup a `CursorAdapter` with `this` context.  `false` disables autoRequery.
205         bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
206             @Override
207             public View newView(Context context, Cursor cursor, ViewGroup parent) {
208                 // Inflate the individual item layout.  `false` does not attach it to the root.
209                 return getLayoutInflater().inflate(R.layout.bookmarks_databaseview_item_linearlayout, parent, false);
210             }
211
212             @Override
213             public void bindView(View view, Context context, Cursor cursor) {
214                 boolean isFolder = (cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1);
215
216                 // Get the database ID from the `Cursor` and display it in `bookmarkDatabaseIdTextView`.
217                 int bookmarkDatabaseId = cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper._ID));
218                 TextView bookmarkDatabaseIdTextView = view.findViewById(R.id.bookmarks_databaseview_database_id);
219                 bookmarkDatabaseIdTextView.setText(String.valueOf(bookmarkDatabaseId));
220
221                 // Get the favorite icon byte array from the `Cursor`.
222                 byte[] favoriteIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON));
223                 // Convert the byte array to a `Bitmap` beginning at the beginning at the first byte and ending at the last.
224                 Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
225                 // Display the bitmap in `bookmarkFavoriteIcon`.
226                 ImageView bookmarkFavoriteIcon = view.findViewById(R.id.bookmarks_databaseview_favorite_icon);
227                 bookmarkFavoriteIcon.setImageBitmap(favoriteIconBitmap);
228
229                 // Get the bookmark name from the `Cursor` and display it in `bookmarkNameTextView`.
230                 String bookmarkNameString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
231                 TextView bookmarkNameTextView = view.findViewById(R.id.bookmarks_databaseview_bookmark_name);
232                 bookmarkNameTextView.setText(bookmarkNameString);
233
234                 // Make the font bold for folders.
235                 if (isFolder) {
236                     // The first argument is `null` prevent changing of the font.
237                     bookmarkNameTextView.setTypeface(null, Typeface.BOLD);
238                 } else {  // Reset the font to default.
239                     bookmarkNameTextView.setTypeface(Typeface.DEFAULT);
240                 }
241
242                 // Get the bookmark URL form the `Cursor` and display it in `bookmarkUrlTextView`.
243                 String bookmarkUrlString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL));
244                 TextView bookmarkUrlTextView = view.findViewById(R.id.bookmarks_databaseview_bookmark_url);
245                 bookmarkUrlTextView.setText(bookmarkUrlString);
246
247                 // Hide the URL if the bookmark is a folder.
248                 if (isFolder) {
249                     bookmarkUrlTextView.setVisibility(View.GONE);
250                 } else {
251                     bookmarkUrlTextView.setVisibility(View.VISIBLE);
252                 }
253
254                 // Get the display order from the `Cursor` and display it in `bookmarkDisplayOrderTextView`.
255                 int bookmarkDisplayOrder = cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER));
256                 TextView bookmarkDisplayOrderTextView = view.findViewById(R.id.bookmarks_databaseview_display_order);
257                 bookmarkDisplayOrderTextView.setText(String.valueOf(bookmarkDisplayOrder));
258
259                 // Get the parent folder from the `Cursor` and display it in `bookmarkParentFolder`.
260                 String bookmarkParentFolder = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER));
261                 ImageView parentFolderImageView = view.findViewById(R.id.bookmarks_databaseview_parent_folder_icon);
262                 TextView bookmarkParentFolderTextView = view.findViewById(R.id.bookmarks_databaseview_parent_folder);
263
264                 // Make the folder name gray if it is the home folder.
265                 if (bookmarkParentFolder.isEmpty()) {
266                     parentFolderImageView.setImageDrawable(ContextCompat.getDrawable(getApplicationContext(), R.drawable.folder_gray));
267                     bookmarkParentFolderTextView.setText(R.string.home_folder);
268                     bookmarkParentFolderTextView.setTextColor(ContextCompat.getColor(getApplicationContext(), R.color.gray_500));
269                 } else {
270                     parentFolderImageView.setImageDrawable(ContextCompat.getDrawable(getApplicationContext(), R.drawable.folder_dark_blue));
271                     bookmarkParentFolderTextView.setText(bookmarkParentFolder);
272
273                     // Set the text color according to the theme.
274                     if (MainWebViewActivity.darkTheme) {
275                         bookmarkParentFolderTextView.setTextColor(ContextCompat.getColor(getApplicationContext(), R.color.gray_300));
276                     } else {
277                         bookmarkParentFolderTextView.setTextColor(ContextCompat.getColor(getApplicationContext(), R.color.black));
278                     }
279                 }
280             }
281         };
282
283         // Update the ListView.
284         bookmarksListView.setAdapter(bookmarksCursorAdapter);
285
286         // Set the current folder database ID.
287         currentFolderDatabaseId = ALL_FOLDERS_DATABASE_ID;
288
289         // Set a listener to edit a bookmark when it is tapped.
290         bookmarksListView.setOnItemClickListener((AdapterView<?> parent, View view, int position, long id) -> {
291             // Convert the database ID to an `int`.
292             int databaseId = (int) id;
293
294             // Show the edit bookmark or edit bookmark folder dialog.
295             if (bookmarksDatabaseHelper.isFolder(databaseId)) {
296                 // Save the current folder name, which is used in `onSaveBookmarkFolder()`.
297                 oldFolderNameString = bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
298
299                 // Show the edit bookmark folder dialog.
300                 AppCompatDialogFragment editBookmarkFolderDatabaseViewDialog = EditBookmarkFolderDatabaseViewDialog.folderDatabaseId(databaseId);
301                 editBookmarkFolderDatabaseViewDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_folder));
302             } else {
303                 // Show the edit bookmark dialog.
304                 AppCompatDialogFragment editBookmarkDatabaseViewDialog = EditBookmarkDatabaseViewDialog.bookmarkDatabaseId(databaseId);
305                 editBookmarkDatabaseViewDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_bookmark));
306             }
307         });
308     }
309
310     @Override
311     public void onSaveBookmark(AppCompatDialogFragment dialogFragment, int selectedBookmarkDatabaseId) {
312         // Get handles for the views from dialog fragment.
313         RadioButton currentBookmarkIconRadioButton = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_current_icon_radiobutton);
314         EditText editBookmarkNameEditText = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_name_edittext);
315         EditText editBookmarkUrlEditText = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_url_edittext);
316         Spinner folderSpinner = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_folder_spinner);
317         EditText displayOrderEditText = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_display_order_edittext);
318
319         // Extract the bookmark information.
320         String bookmarkNameString = editBookmarkNameEditText.getText().toString();
321         String bookmarkUrlString = editBookmarkUrlEditText.getText().toString();
322         int folderDatabaseId = (int) folderSpinner.getSelectedItemId();
323         int displayOrderInt = Integer.valueOf(displayOrderEditText.getText().toString());
324
325         // Instantiate the parent folder name `String`.
326         String parentFolderNameString;
327
328         // Set the parent folder name.
329         if (folderDatabaseId == EditBookmarkDatabaseViewDialog.HOME_FOLDER_DATABASE_ID) {  // The home folder is selected.  Use `""`.
330             parentFolderNameString = "";
331         } else {  // Get the parent folder name from the database.
332             parentFolderNameString = bookmarksDatabaseHelper.getFolderName(folderDatabaseId);
333         }
334
335         // Update the bookmark.
336         if (currentBookmarkIconRadioButton.isChecked()) {  // Update the bookmark without changing the favorite icon.
337             bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, parentFolderNameString, displayOrderInt);
338         } else {  // Update the bookmark using the `WebView` favorite icon.
339             // Convert the favorite icon to a byte array.  `0` is for lossless compression (the only option for a PNG).
340             ByteArrayOutputStream newFavoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
341             MainWebViewActivity.favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFavoriteIconByteArrayOutputStream);
342             byte[] newFavoriteIconByteArray = newFavoriteIconByteArrayOutputStream.toByteArray();
343
344             //  Update the bookmark and the favorite icon.
345             bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, parentFolderNameString, displayOrderInt, newFavoriteIconByteArray);
346         }
347
348         // Update `bookmarksCursor` with the contents of the current folder.
349         switch (currentFolderDatabaseId) {
350             case ALL_FOLDERS_DATABASE_ID:
351                 // Get a cursor with all the bookmarks.
352                 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor();
353                 break;
354
355             case HOME_FOLDER_DATABASE_ID:
356                 // Get a cursor with all the bookmarks in the home folder.
357                 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor("");
358                 break;
359
360             default:
361                 // Get a cursor with all the bookmarks in the current folder.
362                 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor(currentFolderName);
363         }
364
365         // Update the `ListView`.
366         bookmarksCursorAdapter.changeCursor(bookmarksCursor);
367     }
368
369     @Override
370     public void onSaveBookmarkFolder(AppCompatDialogFragment dialogFragment, int selectedBookmarkDatabaseId) {
371         // Get handles for the views from dialog fragment.
372         RadioButton currentBookmarkIconRadioButton = dialogFragment.getDialog().findViewById(R.id.edit_folder_current_icon_radiobutton);
373         RadioButton defaultFolderIconRadioButton = dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon_radiobutton);
374         ImageView defaultFolderIconImageView = dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon_imageview);
375         EditText editBookmarkNameEditText = dialogFragment.getDialog().findViewById(R.id.edit_folder_name_edittext);
376         Spinner parentFolderSpinner = dialogFragment.getDialog().findViewById(R.id.edit_folder_parent_folder_spinner);
377         EditText displayOrderEditText = dialogFragment.getDialog().findViewById(R.id.edit_folder_display_order_edittext);
378
379         // Extract the folder information.
380         String newFolderNameString = editBookmarkNameEditText.getText().toString();
381         int parentFolderDatabaseId = (int) parentFolderSpinner.getSelectedItemId();
382         int displayOrderInt = Integer.valueOf(displayOrderEditText.getText().toString());
383
384         // Instantiate the parent folder name `String`.
385         String parentFolderNameString;
386
387         // Set the parent folder name.
388         if (parentFolderDatabaseId == EditBookmarkFolderDatabaseViewDialog.HOME_FOLDER_DATABASE_ID) {  // The home folder is selected.  Use `""`.
389             parentFolderNameString = "";
390         } else {  // Get the parent folder name from the database.
391             parentFolderNameString = bookmarksDatabaseHelper.getFolderName(parentFolderDatabaseId);
392         }
393
394         // Update the folder.
395         if (currentBookmarkIconRadioButton.isChecked()) {  // Update the folder without changing the favorite icon.
396             bookmarksDatabaseHelper.updateFolder(selectedBookmarkDatabaseId, oldFolderNameString, newFolderNameString, parentFolderNameString, displayOrderInt);
397         } else {  // Update the folder and the icon.
398             // Instantiate the new folder icon `Bitmap`.
399             Bitmap folderIconBitmap;
400
401             // Populate the new folder icon bitmap.
402             if (defaultFolderIconRadioButton.isChecked()) {
403                 // Get the default folder icon and convert it to a `Bitmap`.
404                 Drawable folderIconDrawable = defaultFolderIconImageView.getDrawable();
405                 BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
406                 folderIconBitmap = folderIconBitmapDrawable.getBitmap();
407             } else {  // Use the `WebView` favorite icon.
408                 folderIconBitmap = MainWebViewActivity.favoriteIconBitmap;
409             }
410
411             // Convert the folder icon to a byte array.  `0` is for lossless compression (the only option for a PNG).
412             ByteArrayOutputStream newFolderIconByteArrayOutputStream = new ByteArrayOutputStream();
413             folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFolderIconByteArrayOutputStream);
414             byte[] newFolderIconByteArray = newFolderIconByteArrayOutputStream.toByteArray();
415
416             //  Update the folder and the icon.
417             bookmarksDatabaseHelper.updateFolder(selectedBookmarkDatabaseId, oldFolderNameString, newFolderNameString, parentFolderNameString, displayOrderInt, newFolderIconByteArray);
418         }
419
420         // Update `bookmarksCursor` with the contents of the current folder.
421         switch (currentFolderDatabaseId) {
422             case ALL_FOLDERS_DATABASE_ID:
423                 // Get a cursor with all the bookmarks.
424                 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor();
425                 break;
426
427             case HOME_FOLDER_DATABASE_ID:
428                 // Get a cursor with all the bookmarks in the home folder.
429                 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor("");
430                 break;
431
432             default:
433                 // Get a cursor with all the bookmarks in the current folder.
434                 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor(currentFolderName);
435         }
436
437         // Update the `ListView`.
438         bookmarksCursorAdapter.changeCursor(bookmarksCursor);
439     }
440 }