2 * Copyright 2016 Soren Stoutner <soren@stoutner.com>.
4 * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
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.
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.
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/>.
20 package com.stoutner.privacybrowser.activities;
22 import android.app.Activity;
23 import android.content.Context;
24 import android.content.Intent;
25 import android.database.Cursor;
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.design.widget.FloatingActionButton;
33 import android.support.design.widget.Snackbar;
34 import android.support.v4.app.NavUtils;
35 import android.support.v7.app.ActionBar;
36 import android.support.v7.app.AppCompatActivity;
37 import android.support.v7.app.AppCompatDialogFragment;
38 import android.support.v7.widget.Toolbar;
39 import android.util.SparseBooleanArray;
40 import android.view.ActionMode;
41 import android.view.Menu;
42 import android.view.MenuItem;
43 import android.view.View;
44 import android.view.ViewGroup;
45 import android.widget.AbsListView;
46 import android.widget.AdapterView;
47 import android.widget.CursorAdapter;
48 import android.widget.EditText;
49 import android.widget.ImageView;
50 import android.widget.ListView;
51 import android.widget.RadioButton;
52 import android.widget.TextView;
54 import com.stoutner.privacybrowser.dialogs.EditBookmark;
55 import com.stoutner.privacybrowser.dialogs.EditBookmarkFolder;
56 import com.stoutner.privacybrowser.dialogs.MoveToFolder;
57 import com.stoutner.privacybrowser.R;
58 import com.stoutner.privacybrowser.helpers.BookmarksDatabaseHelper;
59 import com.stoutner.privacybrowser.dialogs.CreateBookmark;
60 import com.stoutner.privacybrowser.dialogs.CreateBookmarkFolder;
62 import java.io.ByteArrayOutputStream;
64 public class Bookmarks extends AppCompatActivity implements CreateBookmark.CreateBookmarkListener,
65 CreateBookmarkFolder.CreateBookmarkFolderListener, EditBookmark.EditBookmarkListener,
66 EditBookmarkFolder.EditBookmarkFolderListener, MoveToFolder.MoveToFolderListener {
68 // `bookmarksDatabaseHelper` is public static so it can be accessed from `EditBookmark` and `MoveToFolder`. It is also used in `onCreate()`,
69 // `onCreateBookmarkCreate()`, `updateBookmarksListView()`, and `updateBookmarksListViewExcept()`.
70 public static BookmarksDatabaseHelper bookmarksDatabaseHelper;
72 // `currentFolder` is public static so it can be accessed from `MoveToFolder`.
73 // It is used in `onCreate`, `onOptionsItemSelected()`, `onCreateBookmarkCreate`, `onCreateBookmarkFolderCreate`, and `onEditBookmarkSave`.
74 public static String currentFolder;
76 // `checkedItemIds` is public static so it can be accessed from `EditBookmark`, `EditBookmarkFolder`, and `MoveToFolder`.
77 // It is also used in `onActionItemClicked`.
78 public static long[] checkedItemIds;
81 // `bookmarksListView` is used in `onCreate()`, `updateBookmarksListView()`, and `updateBookmarksListViewExcept()`.
82 private ListView bookmarksListView;
84 // `contextualActionMode` is used in `onCreate()` and `onEditBookmarkSave()`.
85 private ActionMode contextualActionMode;
87 // `selectedBookmarkPosition` is used in `onCreate()` and `onEditBookmarkSave()`.
88 private int selectedBookmarkPosition;
90 // `appBar` is used in `onCreate()` and `updateBookmarksListView()`.
91 private ActionBar appBar;
93 // `bookmarksCursor` is used in `onCreate()`, `updateBookmarksListView()`, and `updateBookmarksListViewExcept()`.
94 private Cursor bookmarksCursor;
96 // `oldFolderName` is used in `onCreate()` and `onEditBookmarkFolderSave()`.
97 private String oldFolderNameString;
100 protected void onCreate(Bundle savedInstanceState) {
101 super.onCreate(savedInstanceState);
102 setContentView(R.layout.bookmarks_coordinatorlayout);
104 // We need to use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
105 final Toolbar bookmarksAppBar = (Toolbar) findViewById(R.id.bookmarks_toolbar);
106 setSupportActionBar(bookmarksAppBar);
108 // Display the home arrow on `SupportActionBar`.
109 appBar = getSupportActionBar();
110 assert appBar != null;// This assert removes the incorrect warning in Android Studio on the following line that appBar might be null.
111 appBar.setDisplayHomeAsUpEnabled(true);
114 // Initialize the database handler and the ListView.
115 // `this` specifies the context. The two `null`s do not specify the database name or a `CursorFactory`.
116 // The `0` is to specify a database version, but that is set instead using a constant in `BookmarksDatabaseHelper`.
117 bookmarksDatabaseHelper = new BookmarksDatabaseHelper(this, null, null, 0);
118 bookmarksListView = (ListView) findViewById(R.id.bookmarks_listview);
120 // Set currentFolder to the home folder, which is null in the database.
123 // Display the bookmarks in the ListView.
124 updateBookmarksListView(currentFolder);
126 // Set a listener so that tapping a list item loads the URL. We need to store the activity
127 // in a variable so that we can return to the parent activity after loading the URL.
128 final Activity bookmarksActivity = this;
129 bookmarksListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
131 public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
132 // Convert the id from long to int to match the format of the bookmarks database.
133 int databaseID = (int) id;
135 // Get the bookmark `Cursor` and move it to the first row.
136 Cursor bookmarkCursor = bookmarksDatabaseHelper.getBookmarkCursor(databaseID);
137 bookmarkCursor.moveToFirst();
139 // If the bookmark is a folder load its contents into the ListView.
140 if (bookmarkCursor.getInt(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1) {
141 // Update `currentFolder`.
142 currentFolder = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
144 // Reload the ListView with `currentFolder`.
145 updateBookmarksListView(currentFolder);
146 } else { // Load the URL into `mainWebView`.
147 // Get the bookmark URL and assign it to formattedUrlString. `mainWebView` will automatically reload when `Bookmarks` closes.
148 MainWebView.formattedUrlString = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL));
150 NavUtils.navigateUpFromSameTask(bookmarksActivity);
153 // Close the `Cursor`.
154 bookmarkCursor.close();
158 // `MultiChoiceModeListener` handles long clicks.
159 bookmarksListView.setMultiChoiceModeListener(new AbsListView.MultiChoiceModeListener() {
160 // `moveBookmarkUpMenuItem` is used in `onCreateActionMode()` and `onItemCheckedStateChanged`.
161 MenuItem moveBookmarkUpMenuItem;
163 // `moveBookmarkDownMenuItem` is used in `onCreateActionMode()` and `onItemCheckedStateChanged`.
164 MenuItem moveBookmarkDownMenuItem;
166 // `editBookmarkMenuItem` is used in `onCreateActionMode()` and `onItemCheckedStateChanged`.
167 MenuItem editBookmarkMenuItem;
169 // `selectAllBookmarks` is used in `onCreateActionMode()` and `onItemCheckedStateChanges`.
170 MenuItem selectAllBookmarksMenuItem;
173 public boolean onCreateActionMode(ActionMode mode, Menu menu) {
174 // Inflate the menu for the contextual app bar and set the title.
175 getMenuInflater().inflate(R.menu.bookmarks_context_menu, menu);
178 if (currentFolder.isEmpty()) {
179 // Use `R.string.bookmarks` if we are in the home folder.
180 mode.setTitle(R.string.bookmarks);
181 } else { // Use the current folder name as the title.
182 mode.setTitle(currentFolder);
185 // Get a handle for MenuItems we need to selectively disable.
186 moveBookmarkUpMenuItem = menu.findItem(R.id.move_bookmark_up);
187 moveBookmarkDownMenuItem = menu.findItem(R.id.move_bookmark_down);
188 editBookmarkMenuItem = menu.findItem(R.id.edit_bookmark);
189 selectAllBookmarksMenuItem = menu.findItem(R.id.context_menu_select_all_bookmarks);
191 // Get a handle for `contextualActionMode` so we can close it programatically.
192 contextualActionMode = mode;
198 public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
203 public void onItemCheckedStateChanged(ActionMode mode, int position, long id, boolean checked) {
204 // Get an array of the selected bookmarks.
205 long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
207 // Calculate the number of selected bookmarks.
208 int numberOfSelectedBookmarks = selectedBookmarksLongArray.length;
210 // Sometimes Android forgets to close the contextual app bar when all the items are deselected.
211 if (numberOfSelectedBookmarks == 0) {
215 // List the number of selected bookmarks in the subtitle.
216 mode.setSubtitle(numberOfSelectedBookmarks + " " + getString(R.string.selected));
218 if (numberOfSelectedBookmarks == 1) {
219 // Show the `Move Up`, `Move Down`, and `Edit` option only if 1 bookmark is selected.
220 moveBookmarkUpMenuItem.setVisible(true);
221 moveBookmarkDownMenuItem.setVisible(true);
222 editBookmarkMenuItem.setVisible(true);
224 // Get the database IDs for the bookmarks.
225 int selectedBookmarkDatabaseId = (int) selectedBookmarksLongArray[0];
226 int firstBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(0);
227 // bookmarksListView is 0 indexed.
228 int lastBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(bookmarksListView.getCount() - 1);
230 // Disable `moveBookmarkUpMenuItem` if the selected bookmark is at the top of the ListView.
231 if (selectedBookmarkDatabaseId == firstBookmarkDatabaseId) {
232 moveBookmarkUpMenuItem.setEnabled(false);
233 moveBookmarkUpMenuItem.setIcon(R.drawable.move_bookmark_up_disabled);
234 } else { // Otherwise enable `moveBookmarkUpMenuItem`.
235 moveBookmarkUpMenuItem.setEnabled(true);
236 moveBookmarkUpMenuItem.setIcon(R.drawable.move_bookmark_up_enabled);
239 // Disable `moveBookmarkDownMenuItem` if the selected bookmark is at the bottom of the ListView.
240 if (selectedBookmarkDatabaseId == lastBookmarkDatabaseId) {
241 moveBookmarkDownMenuItem.setEnabled(false);
242 moveBookmarkDownMenuItem.setIcon(R.drawable.move_bookmark_down_disabled);
243 } else { // Otherwise enable `moveBookmarkDownMenuItem`.
244 moveBookmarkDownMenuItem.setEnabled(true);
245 moveBookmarkDownMenuItem.setIcon(R.drawable.move_bookmark_down_enabled);
247 } else { // Hide the MenuItems because more than one bookmark is selected.
248 moveBookmarkUpMenuItem.setVisible(false);
249 moveBookmarkDownMenuItem.setVisible(false);
250 editBookmarkMenuItem.setVisible(false);
253 // Do not show `Select All` if all the bookmarks are already checked.
254 if (bookmarksListView.getCheckedItemIds().length == bookmarksListView.getCount()) {
255 selectAllBookmarksMenuItem.setVisible(false);
257 selectAllBookmarksMenuItem.setVisible(true);
262 public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
263 int menuItemId = item.getItemId();
265 // `numberOfBookmarks` is used in `R.id.move_bookmark_up_enabled`, `R.id.move_bookmark_down_enabled`, and `R.id.context_menu_select_all_bookmarks`.
266 int numberOfBookmarks;
268 // `selectedBookmarkLongArray` is used in `R.id.move_bookmark_up`, `R.id.move_bookmark_down`, and `R.id.edit_bookmark`.
269 long[]selectedBookmarkLongArray;
270 // `selectedBookmarkDatabaseId` is used in `R.id.move_bookmark_up`, `R.id.move_bookmark_down`, and `R.id.edit_bookmark`.
271 int selectedBookmarkDatabaseId;
272 // `selectedBookmarkNewPosition` is used in `R.id.move_bookmark_up` and `R.id.move_bookmark_down`.
273 int selectedBookmarkNewPosition;
274 // `bookmarkPositionSparseBooleanArray` is used in `R.id.edit_bookmark` and `R.id.delete_bookmark`.
275 SparseBooleanArray bookmarkPositionSparseBooleanArray;
277 switch (menuItemId) {
278 case R.id.move_bookmark_up:
279 // Get the selected bookmark database ID.
280 selectedBookmarkLongArray = bookmarksListView.getCheckedItemIds();
281 selectedBookmarkDatabaseId = (int) selectedBookmarkLongArray[0];
283 // Initialize `selectedBookmarkNewPosition`.
284 selectedBookmarkNewPosition = 0;
286 for (int i = 0; i < bookmarksListView.getCount(); i++) {
287 int databaseId = (int) bookmarksListView.getItemIdAtPosition(i);
288 int nextBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(i + 1);
290 if (databaseId == selectedBookmarkDatabaseId || nextBookmarkDatabaseId == selectedBookmarkDatabaseId) {
291 if (databaseId == selectedBookmarkDatabaseId) {
292 // Move the selected bookmark up one and store the new bookmark position.
293 bookmarksDatabaseHelper.updateBookmarkDisplayOrder(databaseId, i - 1);
294 selectedBookmarkNewPosition = i - 1;
295 } else { // Move the bookmark above the selected bookmark down one.
296 bookmarksDatabaseHelper.updateBookmarkDisplayOrder(databaseId, i + 1);
299 // Reset the rest of the bookmarks' DISPLAY_ORDER to match the position in the ListView.
300 // This isn't necessary, but it clears out any stray values that might have crept into the database.
301 bookmarksDatabaseHelper.updateBookmarkDisplayOrder(databaseId, i);
305 // Refresh the ListView.
306 updateBookmarksListView(currentFolder);
308 // Select the previously selected bookmark in the new location.
309 bookmarksListView.setItemChecked(selectedBookmarkNewPosition, true);
311 bookmarksListView.setSelection(selectedBookmarkNewPosition - 5);
315 case R.id.move_bookmark_down:
316 // Get the selected bookmark database ID.
317 selectedBookmarkLongArray = bookmarksListView.getCheckedItemIds();
318 selectedBookmarkDatabaseId = (int) selectedBookmarkLongArray[0];
320 // Initialize `selectedBookmarkNewPosition`.
321 selectedBookmarkNewPosition = 0;
323 for (int i = 0; i <bookmarksListView.getCount(); i++) {
324 int databaseId = (int) bookmarksListView.getItemIdAtPosition(i);
325 int previousBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(i - 1);
327 if (databaseId == selectedBookmarkDatabaseId || previousBookmarkDatabaseId == selectedBookmarkDatabaseId) {
328 if (databaseId == selectedBookmarkDatabaseId) {
329 // Move the selected bookmark down one and store the new bookmark position.
330 bookmarksDatabaseHelper.updateBookmarkDisplayOrder(databaseId, i + 1);
331 selectedBookmarkNewPosition = i + 1;
332 } else { // Move the bookmark below the selected bookmark up one.
333 bookmarksDatabaseHelper.updateBookmarkDisplayOrder(databaseId, i - 1);
336 // Reset the rest of the bookmark' DISPLAY_ORDER to match the position in the ListView.
337 // This isn't necessary, but it clears out any stray values that might have crept into the database.
338 bookmarksDatabaseHelper.updateBookmarkDisplayOrder(databaseId, i);
342 // Refresh the ListView.
343 updateBookmarksListView(currentFolder);
345 // Select the previously selected bookmark in the new location.
346 bookmarksListView.setItemChecked(selectedBookmarkNewPosition, true);
348 bookmarksListView.setSelection(selectedBookmarkNewPosition - 5);
351 case R.id.move_to_folder:
352 // Store `checkedItemIds` for use by the `AlertDialog`.
353 checkedItemIds = bookmarksListView.getCheckedItemIds();
355 // Show the `MoveToFolder` `AlertDialog` and name the instance `@string/move_to_folder
356 AppCompatDialogFragment moveToFolderDialog = new MoveToFolder();
357 moveToFolderDialog.show(getSupportFragmentManager(), getResources().getString(R.string.move_to_folder));
360 case R.id.edit_bookmark:
361 // Get a handle for `selectedBookmarkPosition` so we can scroll to it after refreshing the ListView.
362 bookmarkPositionSparseBooleanArray = bookmarksListView.getCheckedItemPositions();
363 for (int i = 0; i < bookmarkPositionSparseBooleanArray.size(); i++) {
364 // Find the bookmark that is selected and save the position to `selectedBookmarkPosition`.
365 if (bookmarkPositionSparseBooleanArray.valueAt(i))
366 selectedBookmarkPosition = bookmarkPositionSparseBooleanArray.keyAt(i);
369 // Move to the selected database ID and find out if it is a folder.
370 bookmarksCursor.moveToPosition(selectedBookmarkPosition);
371 boolean isFolder = (bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1);
373 // Store `checkedItemIds` for use by the `AlertDialog`.
374 checkedItemIds = bookmarksListView.getCheckedItemIds();
377 // Save the current folder name.
378 oldFolderNameString = bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
380 // Show the `EditBookmarkFolder` `AlertDialog` and name the instance `@string/edit_folder`.
381 AppCompatDialogFragment editFolderDialog = new EditBookmarkFolder();
382 editFolderDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_folder));
384 // Show the `EditBookmark` `AlertDialog` and name the instance `@string/edit_bookmark`.
385 AppCompatDialogFragment editBookmarkDialog = new EditBookmark();
386 editBookmarkDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_bookmark));
390 case R.id.delete_bookmark:
391 // Get an array of the selected rows.
392 final long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
394 // Get a handle for `selectedBookmarkPosition` so we can scroll to it after refreshing the ListView.
395 bookmarkPositionSparseBooleanArray = bookmarksListView.getCheckedItemPositions();
396 for (int i = 0; i < bookmarkPositionSparseBooleanArray.size(); i++) {
397 // Find the bookmark that is selected and save the position to `selectedBookmarkPosition`.
398 if (bookmarkPositionSparseBooleanArray.valueAt(i))
399 selectedBookmarkPosition = bookmarkPositionSparseBooleanArray.keyAt(i);
402 updateBookmarksListViewExcept(selectedBookmarksLongArray, currentFolder);
404 // Scroll to where the deleted bookmark was located.
405 bookmarksListView.setSelection(selectedBookmarkPosition - 5);
407 String snackbarMessage;
409 // Determine how many items are in the array and prepare an appropriate Snackbar message.
410 if (selectedBookmarksLongArray.length == 1) {
411 snackbarMessage = getString(R.string.one_bookmark_deleted);
413 snackbarMessage = selectedBookmarksLongArray.length + " " + getString(R.string.bookmarks_deleted);
417 Snackbar.make(findViewById(R.id.bookmarks_coordinatorlayout), snackbarMessage, Snackbar.LENGTH_LONG)
418 .setAction(R.string.undo, new View.OnClickListener() {
420 public void onClick(View view) {
421 // Do nothing because everything will be handled by `onDismissed()` below.
424 .setCallback(new Snackbar.Callback() {
426 public void onDismissed(Snackbar snackbar, int event) {
427 // Android Studio wants to see entries for every possible `Snackbar.Callback` even if they aren't used.
429 // The user pushed the "Undo" button.
430 case Snackbar.Callback.DISMISS_EVENT_ACTION:
431 // Refresh the ListView to show the rows again.
432 updateBookmarksListView(currentFolder);
434 // Scroll to where the deleted bookmark was located.
435 bookmarksListView.setSelection(selectedBookmarkPosition - 5);
439 case Snackbar.Callback.DISMISS_EVENT_CONSECUTIVE:
440 // Do nothing and let the default behavior run.
442 case Snackbar.Callback.DISMISS_EVENT_MANUAL:
443 // Do nothing and let the default behavior run.
445 case Snackbar.Callback.DISMISS_EVENT_SWIPE:
446 // Do nothing and let the default behavior run.
448 case Snackbar.Callback.DISMISS_EVENT_TIMEOUT:
449 // Do nothing and let the default behavior run.
451 // The Snackbar was dismissed without the "Undo" button being pushed.
453 // Delete each selected row.
454 for (long databaseIdLong : selectedBookmarksLongArray) {
455 // Convert `databaseIdLong` to an int.
456 int databaseIdInt = (int) databaseIdLong;
458 if (bookmarksDatabaseHelper.isFolder(databaseIdInt)) {
459 deleteBookmarkFolderContents(databaseIdInt);
462 // Delete `databaseIdInt`.
463 bookmarksDatabaseHelper.deleteBookmark(databaseIdInt);
471 // Close the contextual app bar.
475 case R.id.context_menu_select_all_bookmarks:
476 numberOfBookmarks = bookmarksListView.getCount();
478 for (int i = 0; i < numberOfBookmarks; i++) {
479 bookmarksListView.setItemChecked(i, true);
483 // Consume the click.
488 public void onDestroyActionMode(ActionMode mode) {
493 // Set a FloatingActionButton for creating new bookmarks.
494 FloatingActionButton createBookmarkFAB = (FloatingActionButton) findViewById(R.id.create_bookmark_fab);
495 createBookmarkFAB.setOnClickListener(new View.OnClickListener() {
497 public void onClick(View view) {
498 // Show the `CreateBookmark` `AlertDialog` and name the instance `@string/create_bookmark`.
499 AppCompatDialogFragment createBookmarkDialog = new CreateBookmark();
500 createBookmarkDialog.show(getSupportFragmentManager(), getResources().getString(R.string.create_bookmark));
506 public boolean onCreateOptionsMenu(Menu menu) {
508 getMenuInflater().inflate(R.menu.bookmarks_options_menu, menu);
514 public boolean onPrepareOptionsMenu(Menu menu) {
515 super.onPrepareOptionsMenu(menu);
521 public boolean onOptionsItemSelected(MenuItem menuItem) {
522 int menuItemId = menuItem.getItemId();
524 switch (menuItemId) {
525 case android.R.id.home:
526 // Exit Bookmarks if currently at the home folder.
527 if (currentFolder.isEmpty()) {
528 NavUtils.navigateUpFromSameTask(this);
529 } else { // Navigate up one folder.
530 // Place the former parent folder in `currentFolder`.
531 currentFolder = bookmarksDatabaseHelper.getParentFolder(currentFolder);
533 updateBookmarksListView(currentFolder);
537 case R.id.create_folder:
538 // Show the `CreateBookmarkFolder` `AlertDialog` and name the instance `@string/create_folder`.
539 AppCompatDialogFragment createBookmarkFolderDialog = new CreateBookmarkFolder();
540 createBookmarkFolderDialog.show(getSupportFragmentManager(), getResources().getString(R.string.create_folder));
543 case R.id.options_menu_select_all_bookmarks:
544 int numberOfBookmarks = bookmarksListView.getCount();
546 for (int i = 0; i < numberOfBookmarks; i++) {
547 bookmarksListView.setItemChecked(i, true);
551 case R.id.bookmarks_database_view:
552 // Launch `BookmarksDatabaseView`.
553 Intent bookmarksDatabaseViewIntent = new Intent(this, BookmarksDatabaseView.class);
554 startActivity(bookmarksDatabaseViewIntent);
561 public void onCreateBookmark(AppCompatDialogFragment dialogFragment) {
562 // Get the `EditText`s from the `createBookmarkDialogFragment` and extract the strings.
563 EditText createBookmarkNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.create_bookmark_name_edittext);
564 String bookmarkNameString = createBookmarkNameEditText.getText().toString();
565 EditText createBookmarkUrlEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.create_bookmark_url_edittext);
566 String bookmarkUrlString = createBookmarkUrlEditText.getText().toString();
568 // Convert the favoriteIcon Bitmap to a byte array.
569 ByteArrayOutputStream favoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
570 // `0` is for lossless compression (the only option for a PNG).
571 MainWebView.favoriteIcon.compress(Bitmap.CompressFormat.PNG, 0, favoriteIconByteArrayOutputStream);
572 byte[] favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray();
574 // Display the new bookmark below the current items in the (0 indexed) list.
575 int newBookmarkDisplayOrder = bookmarksListView.getCount();
577 // Create the bookmark.
578 bookmarksDatabaseHelper.createBookmark(bookmarkNameString, bookmarkUrlString, newBookmarkDisplayOrder, currentFolder, favoriteIconByteArray);
580 // Refresh the ListView. `setSelection` scrolls to the bottom of the list.
581 updateBookmarksListView(currentFolder);
582 bookmarksListView.setSelection(newBookmarkDisplayOrder);
586 public void onCreateBookmarkFolder(AppCompatDialogFragment dialogFragment) {
587 // Get `create_folder_name_edit_text` and extract the string.
588 EditText createFolderNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.create_folder_name_edittext);
589 String folderNameString = createFolderNameEditText.getText().toString();
591 // Check to see if the folder already exists.
592 Cursor bookmarkFolderCursor = bookmarksDatabaseHelper.getFolderCursor(folderNameString);
593 int existingFoldersWithNewName = bookmarkFolderCursor.getCount();
594 bookmarkFolderCursor.close();
595 if (folderNameString.isEmpty() || (existingFoldersWithNewName > 0)) {
596 String cannotCreateFolder = getResources().getString(R.string.cannot_create_folder) + " \"" + folderNameString + "\"";
597 Snackbar.make(findViewById(R.id.bookmarks_coordinatorlayout), cannotCreateFolder, Snackbar.LENGTH_INDEFINITE).show();
598 } else { // Create the folder.
599 // Get the new folder icon `Bitmap`.
600 RadioButton defaultFolderIconRadioButton = (RadioButton) dialogFragment.getDialog().findViewById(R.id.create_folder_default_icon_radiobutton);
601 Bitmap folderIconBitmap;
602 if (defaultFolderIconRadioButton.isChecked()) {
603 // Get the default folder icon `ImageView` from the `Dialog` and convert it to a `Bitmap`.
604 ImageView folderIconImageView = (ImageView) dialogFragment.getDialog().findViewById(R.id.create_folder_default_icon);
605 Drawable folderIconDrawable = folderIconImageView.getDrawable();
606 BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
607 folderIconBitmap = folderIconBitmapDrawable.getBitmap();
608 } else { // Assign `favoriteIcon` from the `WebView`.
609 folderIconBitmap = MainWebView.favoriteIcon;
612 // Convert `folderIconBitmap` to a byte array. `0` is for lossless compression (the only option for a PNG).
613 ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream();
614 folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream);
615 byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray();
617 // Move all the bookmarks down one in the display order.
618 for (int i = 0; i < bookmarksListView.getCount(); i++) {
619 int databaseId = (int) bookmarksListView.getItemIdAtPosition(i);
620 bookmarksDatabaseHelper.updateBookmarkDisplayOrder(databaseId, i + 1);
623 // Create the folder, placing it at the top of the ListView
624 bookmarksDatabaseHelper.createFolder(folderNameString, 0, currentFolder, folderIconByteArray);
626 // Refresh the ListView.
627 updateBookmarksListView(currentFolder);
632 public void onSaveEditBookmark(AppCompatDialogFragment dialogFragment) {
633 // Get a long array with the the databaseId of the selected bookmark and convert it to an `int`.
634 long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
635 int selectedBookmarkDatabaseId = (int) selectedBookmarksLongArray[0];
637 // Get the `EditText`s from the `editBookmarkDialogFragment` and extract the strings.
638 EditText editBookmarkNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.edit_bookmark_name_edittext);
639 String bookmarkNameString = editBookmarkNameEditText.getText().toString();
640 EditText editBookmarkUrlEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.edit_bookmark_url_edittext);
641 String bookmarkUrlString = editBookmarkUrlEditText.getText().toString();
643 // Get `edit_bookmark_current_icon_radiobutton`.
644 RadioButton currentBookmarkIconRadioButton = (RadioButton) dialogFragment.getDialog().findViewById(R.id.edit_bookmark_current_icon_radiobutton);
646 if (currentBookmarkIconRadioButton.isChecked()) { // Update the bookmark without changing the favorite icon.
647 bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString);
648 } else { // Update the bookmark using the `WebView` favorite icon.
649 ByteArrayOutputStream newFavoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
650 MainWebView.favoriteIcon.compress(Bitmap.CompressFormat.PNG, 0, newFavoriteIconByteArrayOutputStream);
651 byte[] newFavoriteIconByteArray = newFavoriteIconByteArrayOutputStream.toByteArray();
653 // Update the bookmark and the favorite icon.
654 bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, newFavoriteIconByteArray);
657 // Close the contextual action mode.
658 contextualActionMode.finish();
660 // Refresh the `ListView`. `setSelection` scrolls to the position of the bookmark that was edited.
661 updateBookmarksListView(currentFolder);
662 bookmarksListView.setSelection(selectedBookmarkPosition);
666 public void onSaveEditBookmarkFolder(AppCompatDialogFragment dialogFragment) {
667 // Get the new folder name.
668 EditText editFolderNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.edit_folder_name_edittext);
669 String newFolderNameString = editFolderNameEditText.getText().toString();
671 // Check to see if the new folder name is unique.
672 Cursor bookmarkFolderCursor = bookmarksDatabaseHelper.getFolderCursor(newFolderNameString);
673 int existingFoldersWithNewName = bookmarkFolderCursor.getCount();
674 bookmarkFolderCursor.close();
675 if ( ((existingFoldersWithNewName == 0) || newFolderNameString.equals(oldFolderNameString)) && !newFolderNameString.isEmpty()) {
676 // Get a long array with the the database ID of the selected folder and convert it to an `int`.
677 long[] selectedFolderLongArray = bookmarksListView.getCheckedItemIds();
678 int selectedFolderDatabaseId = (int) selectedFolderLongArray[0];
680 // Get the `RadioButtons` from the `Dialog`.
681 RadioButton currentFolderIconRadioButton = (RadioButton) dialogFragment.getDialog().findViewById(R.id.edit_folder_current_icon_radiobutton);
682 RadioButton defaultFolderIconRadioButton = (RadioButton) dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon_radiobutton);
684 // Check if the favorite icon has changed.
685 if (currentFolderIconRadioButton.isChecked()) {
686 // Update the folder name if it has changed without modifying the favorite icon.
687 if (!newFolderNameString.equals(oldFolderNameString)) {
688 bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, oldFolderNameString, newFolderNameString);
690 // Refresh the `ListView`. `setSelection` scrolls to the position of the folder that was edited.
691 updateBookmarksListView(currentFolder);
692 bookmarksListView.setSelection(selectedBookmarkPosition);
694 } else { // Update the folder icon.
695 // Get the new folder icon `Bitmap`.
696 Bitmap folderIconBitmap;
697 if (defaultFolderIconRadioButton.isChecked()) {
698 // Get the default folder icon `ImageView` from the `Drawable` and convert it to a `Bitmap`.
699 ImageView folderIconImageView = (ImageView) dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon);
700 Drawable folderIconDrawable = folderIconImageView.getDrawable();
701 BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
702 folderIconBitmap = folderIconBitmapDrawable.getBitmap();
703 } else { // Get the web page icon `ImageView` from the `Dialog`.
704 folderIconBitmap = MainWebView.favoriteIcon;
707 // Convert the folder `Bitmap` to a byte array. `0` is for lossless compression (the only option for a PNG).
708 ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream();
709 folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream);
710 byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray();
712 bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, oldFolderNameString, newFolderNameString, folderIconByteArray);
714 // Refresh the `ListView`. `setSelection` scrolls to the position of the folder that was edited.
715 updateBookmarksListView(currentFolder);
716 bookmarksListView.setSelection(selectedBookmarkPosition);
718 } else { // Don't edit the folder because the new name is not unique.
719 String cannot_rename_folder = getResources().getString(R.string.cannot_rename_folder) + " \"" + newFolderNameString + "\"";
720 Snackbar.make(findViewById(R.id.bookmarks_coordinatorlayout), cannot_rename_folder, Snackbar.LENGTH_INDEFINITE).show();
723 // Close the contextual action mode.
724 contextualActionMode.finish();
728 public void onMoveToFolder(AppCompatDialogFragment dialogFragment) {
729 // Get the new folder database id.
730 ListView folderListView = (ListView) dialogFragment.getDialog().findViewById(R.id.move_to_folder_listview);
731 long[] newFolderLongArray = folderListView.getCheckedItemIds();
733 if (newFolderLongArray.length == 0) { // No new folder was selected.
734 Snackbar.make(findViewById(R.id.bookmarks_coordinatorlayout), getString(R.string.cannot_move_bookmarks), Snackbar.LENGTH_LONG).show();
735 } else { // Move the selected bookmarks.
736 // Get the new folder database ID.
737 int newFolderDatabaseId = (int) newFolderLongArray[0];
739 // Instantiate `newFolderName`.
740 String newFolderName;
742 if (newFolderDatabaseId == 0) {
743 // The new folder is the home folder, represented as `""` in the database.
746 // Get the new folder name from the database.
747 newFolderName = bookmarksDatabaseHelper.getFolderName(newFolderDatabaseId);
750 // Get a long array with the the database ID of the selected bookmarks.
751 long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
752 for (long databaseIdLong : selectedBookmarksLongArray) {
753 // Get `databaseIdInt` for each selected bookmark.
754 int databaseIdInt = (int) databaseIdLong;
756 // Move the selected bookmark to the new folder.
757 bookmarksDatabaseHelper.moveToFolder(databaseIdInt, newFolderName);
760 // Refresh the `ListView`.
761 updateBookmarksListView(currentFolder);
763 // Close the contextual app bar.
764 contextualActionMode.finish();
768 private void updateBookmarksListView(String folderName) {
769 // Get a `Cursor` with the current contents of the bookmarks database.
770 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(folderName);
772 // Setup `bookmarksCursorAdapter` with `this` context. `false` disables autoRequery.
773 CursorAdapter bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
775 public View newView(Context context, Cursor cursor, ViewGroup parent) {
776 // Inflate the individual item layout. `false` does not attach it to the root.
777 return getLayoutInflater().inflate(R.layout.bookmarks_item_linearlayout, parent, false);
781 public void bindView(View view, Context context, Cursor cursor) {
782 // Get the favorite icon byte array from the `Cursor`.
783 byte[] favoriteIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON));
785 // Convert the byte array to a `Bitmap` beginning at the first byte and ending at the last.
786 Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
788 // Display the bitmap in `bookmarkFavoriteIcon`.
789 ImageView bookmarkFavoriteIcon = (ImageView) view.findViewById(R.id.bookmark_favorite_icon);
790 bookmarkFavoriteIcon.setImageBitmap(favoriteIconBitmap);
793 // Get the bookmark name from the cursor and display it in `bookmarkNameTextView`.
794 String bookmarkNameString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
795 TextView bookmarkNameTextView = (TextView) view.findViewById(R.id.bookmark_name);
796 bookmarkNameTextView.setText(bookmarkNameString);
798 // Make the font bold for folders.
799 if (cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1) {
800 bookmarkNameTextView.setTypeface(Typeface.DEFAULT_BOLD);
801 } else { // Reset the font to default for normal bookmarks.
802 bookmarkNameTextView.setTypeface(Typeface.DEFAULT);
807 // Update the ListView.
808 bookmarksListView.setAdapter(bookmarksCursorAdapter);
810 // Set the AppBar title.
811 if (currentFolder.isEmpty()) {
812 appBar.setTitle(R.string.bookmarks);
814 appBar.setTitle(currentFolder);
818 private void updateBookmarksListViewExcept(long[] exceptIdLongArray, String folderName) {
819 // Get a `Cursor` with the current contents of the bookmarks database except for the specified database IDs.
820 bookmarksCursor = bookmarksDatabaseHelper.getBookmarksCursorExcept(exceptIdLongArray, folderName);
822 // Setup `bookmarksCursorAdapter` with `this` context. `false` disables autoRequery.
823 CursorAdapter bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
825 public View newView(Context context, Cursor cursor, ViewGroup parent) {
826 // Inflate the individual item layout. `false` does not attach it to the root.
827 return getLayoutInflater().inflate(R.layout.bookmarks_item_linearlayout, parent, false);
831 public void bindView(View view, Context context, Cursor cursor) {
832 // Get the favorite icon byte array from the cursor.
833 byte[] favoriteIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON));
835 // Convert the byte array to a Bitmap beginning at the first byte and ending at the last.
836 Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
838 // Display the bitmap in `bookmarkFavoriteIcon`.
839 ImageView bookmarkFavoriteIcon = (ImageView) view.findViewById(R.id.bookmark_favorite_icon);
840 bookmarkFavoriteIcon.setImageBitmap(favoriteIconBitmap);
843 // Get the bookmark name from the cursor and display it in `bookmarkNameTextView`.
844 String bookmarkNameString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
845 TextView bookmarkNameTextView = (TextView) view.findViewById(R.id.bookmark_name);
846 bookmarkNameTextView.setText(bookmarkNameString);
848 // Make the font bold for folders.
849 if (cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1) {
850 // The first argument is `null` because we don't want to change the font.
851 bookmarkNameTextView.setTypeface(null, Typeface.BOLD);
852 } else { // Reset the font to default.
853 bookmarkNameTextView.setTypeface(Typeface.DEFAULT);
858 // Update the ListView.
859 bookmarksListView.setAdapter(bookmarksCursorAdapter);
862 private void deleteBookmarkFolderContents(int databaseId) {
863 // Get the name of the folder.
864 String folderName = bookmarksDatabaseHelper.getFolderName(databaseId);
866 // Get the contents of the folder.
867 Cursor folderCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(folderName);
869 for (int i = 0; i < folderCursor.getCount(); i++) {
870 // Move `folderCursor` to the current row.
871 folderCursor.moveToPosition(i);
873 // Get the database ID of the item.
874 int itemDatabaseId = folderCursor.getInt(folderCursor.getColumnIndex(BookmarksDatabaseHelper._ID));
876 // If this is a folder, delete the contents first.
877 if (bookmarksDatabaseHelper.isFolder(itemDatabaseId)) {
878 deleteBookmarkFolderContents(itemDatabaseId);
881 bookmarksDatabaseHelper.deleteBookmark(itemDatabaseId);