2 * Copyright © 2016-2019 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.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.design.widget.Snackbar;
33 import android.support.v4.content.ContextCompat;
34 import android.support.v4.widget.CursorAdapter;
35 import android.support.v4.widget.ResourceCursorAdapter;
36 import android.support.v7.app.ActionBar;
37 import android.support.v7.app.AppCompatActivity;
38 // `AppCompatDialogFragment` is required instead of `DialogFragment` or an error is produced on API <=22.
39 import android.support.v7.app.AppCompatDialogFragment;
40 import android.support.v7.widget.Toolbar;
41 import android.util.SparseBooleanArray;
42 import android.view.ActionMode;
43 import android.view.Menu;
44 import android.view.MenuItem;
45 import android.view.View;
46 import android.view.ViewGroup;
47 import android.view.WindowManager;
48 import android.widget.AbsListView;
49 import android.widget.AdapterView;
50 import android.widget.EditText;
51 import android.widget.ImageView;
52 import android.widget.ListView;
53 import android.widget.RadioButton;
54 import android.widget.Spinner;
55 import android.widget.TextView;
57 import com.stoutner.privacybrowser.R;
58 import com.stoutner.privacybrowser.dialogs.EditBookmarkDatabaseViewDialog;
59 import com.stoutner.privacybrowser.dialogs.EditBookmarkFolderDatabaseViewDialog;
60 import com.stoutner.privacybrowser.helpers.BookmarksDatabaseHelper;
62 import java.io.ByteArrayOutputStream;
63 import java.util.Arrays;
65 public class BookmarksDatabaseViewActivity extends AppCompatActivity implements EditBookmarkDatabaseViewDialog.EditBookmarkDatabaseViewListener,
66 EditBookmarkFolderDatabaseViewDialog.EditBookmarkFolderDatabaseViewListener {
67 // Instantiate the constants.
68 private static final int ALL_FOLDERS_DATABASE_ID = -2;
69 private static final int HOME_FOLDER_DATABASE_ID = -1;
71 // `bookmarksDatabaseHelper` is used in `onCreate()`, `updateBookmarksListView()`, `selectAllBookmarksInFolder()`, and `onDestroy()`.
72 private BookmarksDatabaseHelper bookmarksDatabaseHelper;
74 // `bookmarksCursor` is used in `onCreate()`, `updateBookmarksListView()`, `onSaveBookmark()`, `onSaveBookmarkFolder()`, and `onDestroy()`.
75 private Cursor bookmarksCursor;
77 // `bookmarksCursorAdapter` is used in `onCreate()`, `selectAllBookmarksInFolder()`, and `updateBookmarksListView()`.
78 private CursorAdapter bookmarksCursorAdapter;
80 // `oldFolderNameString` is used in `onCreate()` and `onSaveBookmarkFolder()`.
81 private String oldFolderNameString;
83 // `currentFolderDatabaseId` is used in `onCreate()`, `updateBookmarksListView()`, `onSaveBookmark()`, and `onSaveBookmarkFolder()`.
84 private int currentFolderDatabaseId;
86 // `currentFolder` is used in `onCreate()`, `onSaveBookmark()`, and `onSaveBookmarkFolder()`.
87 private String currentFolderName;
89 // `sortByDisplayOrder` is used in `onCreate()`, `onOptionsItemSelected()`, and `updateBookmarksListView()`.
90 private boolean sortByDisplayOrder;
92 // `bookmarksDeletedSnackbar` is used in `onCreate()`, `onOptionsItemSelected()`, and `onBackPressed()`.
93 private Snackbar bookmarksDeletedSnackbar;
95 // `closeActivityAfterDismissingSnackbar` is used in `onCreate()`, `onOptionsItemSelected()`, and `onBackPressed()`.
96 private boolean closeActivityAfterDismissingSnackbar;
99 public void onCreate(Bundle savedInstanceState) {
100 // Disable screenshots if not allowed.
101 if (!MainWebViewActivity.allowScreenshots) {
102 getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
105 // Set the activity theme.
106 if (MainWebViewActivity.darkTheme) {
107 setTheme(R.style.PrivacyBrowserDark_SecondaryActivity);
109 setTheme(R.style.PrivacyBrowserLight_SecondaryActivity);
112 // Run the default commands.
113 super.onCreate(savedInstanceState);
115 // Set the content view.
116 setContentView(R.layout.bookmarks_databaseview_coordinatorlayout);
118 // The `SupportActionBar` from `android.support.v7.app.ActionBar` must be used until the minimum API is >= 21.
119 Toolbar bookmarksDatabaseViewAppBar = findViewById(R.id.bookmarks_databaseview_toolbar);
120 setSupportActionBar(bookmarksDatabaseViewAppBar);
122 // Get a handle for the `AppBar`.
123 ActionBar appBar = getSupportActionBar();
125 // Remove the incorrect warning in Android Studio that `appBar` might be null.
126 assert appBar != null;
128 // Display the spinner and the back arrow in the app bar.
129 appBar.setCustomView(R.layout.spinner);
130 appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM | ActionBar.DISPLAY_HOME_AS_UP);
132 // Initialize the database handler. The `0` is to specify a database version, but that is set instead using a constant in `BookmarksDatabaseHelper`.
133 bookmarksDatabaseHelper = new BookmarksDatabaseHelper(this, null, null, 0);
135 // Setup a matrix cursor for "All Folders" and "Home Folder".
136 String[] matrixCursorColumnNames = {BookmarksDatabaseHelper._ID, BookmarksDatabaseHelper.BOOKMARK_NAME};
137 MatrixCursor matrixCursor = new MatrixCursor(matrixCursorColumnNames);
138 matrixCursor.addRow(new Object[]{ALL_FOLDERS_DATABASE_ID, getString(R.string.all_folders)});
139 matrixCursor.addRow(new Object[]{HOME_FOLDER_DATABASE_ID, getString(R.string.home_folder)});
141 // Get a cursor with the list of all the folders.
142 Cursor foldersCursor = bookmarksDatabaseHelper.getAllFolders();
144 // Combine `matrixCursor` and `foldersCursor`.
145 MergeCursor foldersMergeCursor = new MergeCursor(new Cursor[]{matrixCursor, foldersCursor});
148 // Get the default folder bitmap. `ContextCompat` must be used until the minimum API >= 21.
149 Drawable defaultFolderDrawable = ContextCompat.getDrawable(getApplicationContext(), R.drawable.folder_blue_bitmap);
151 // Cast the default folder drawable to a `BitmapDrawable`.
152 BitmapDrawable defaultFolderBitmapDrawable = (BitmapDrawable) defaultFolderDrawable;
154 // Remove the incorrect lint warning that `.getBitmap()` might be null.
155 assert defaultFolderBitmapDrawable != null;
157 // Convert the default folder `BitmapDrawable` to a bitmap.
158 Bitmap defaultFolderBitmap = defaultFolderBitmapDrawable.getBitmap();
161 // Create a resource cursor adapter for the spinner.
162 ResourceCursorAdapter foldersCursorAdapter = new ResourceCursorAdapter(this, R.layout.appbar_spinner_item, foldersMergeCursor, 0) {
164 public void bindView(View view, Context context, Cursor cursor) {
165 // Get handles for the spinner views.
166 ImageView spinnerItemImageView = view.findViewById(R.id.spinner_item_imageview);
167 TextView spinnerItemTextView = view.findViewById(R.id.spinner_item_textview);
169 // Set the folder icon according to the type.
170 if (foldersMergeCursor.getPosition() > 1) { // Set a user folder icon.
171 // Initialize a default folder icon byte array output stream.
172 ByteArrayOutputStream defaultFolderIconByteArrayOutputStream = new ByteArrayOutputStream();
174 // Covert the default folder bitmap to a PNG and store it in the output stream. `0` is for lossless compression (the only option for a PNG).
175 defaultFolderBitmap.compress(Bitmap.CompressFormat.PNG, 0, defaultFolderIconByteArrayOutputStream);
177 // Convert the default folder icon output stream to a byte array.
178 byte[] defaultFolderIconByteArray = defaultFolderIconByteArrayOutputStream.toByteArray();
181 // Get the folder icon byte array from the cursor.
182 byte[] folderIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON));
184 // Convert the byte array to a bitmap beginning at the first byte and ending at the last.
185 Bitmap folderIconBitmap = BitmapFactory.decodeByteArray(folderIconByteArray, 0, folderIconByteArray.length);
188 // Set the icon according to the type.
189 if (Arrays.equals(folderIconByteArray, defaultFolderIconByteArray)) { // The default folder icon is used.
190 // Set a smaller and darker folder icon, which works well with the spinner.
191 spinnerItemImageView.setImageDrawable(ContextCompat.getDrawable(context, R.drawable.folder_dark_blue));
192 } else { // A custom folder icon is uses.
193 // Set the folder image stored in the cursor.
194 spinnerItemImageView.setImageBitmap(folderIconBitmap);
196 } else { // Set the `All Folders` or `Home Folder` icon.
197 // Set the gray folder image. `ContextCompat` must be used until the minimum API >= 21.
198 spinnerItemImageView.setImageDrawable(ContextCompat.getDrawable(context, R.drawable.folder_gray));
201 // Set the text view to display the folder name.
202 spinnerItemTextView.setText(cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)));
206 // Set the resource cursor adapter drop drown view resource.
207 foldersCursorAdapter.setDropDownViewResource(R.layout.appbar_spinner_dropdown_item);
209 // Get a handle for the folder spinner and set the adapter.
210 Spinner folderSpinner = findViewById(R.id.spinner);
211 folderSpinner.setAdapter(foldersCursorAdapter);
213 // Handle taps on the spinner dropdown.
214 folderSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
216 public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
217 // Store the current folder database ID.
218 currentFolderDatabaseId = (int) id;
220 // Get a handle for the selected view.
221 TextView selectedFolderTextView = findViewById(R.id.spinner_item_textview);
223 // Store the current folder name.
224 currentFolderName = selectedFolderTextView.getText().toString();
226 // Update the list view.
227 updateBookmarksListView();
231 public void onNothingSelected(AdapterView<?> parent) {
236 // Get a handle for the bookmarks `ListView`.
237 ListView bookmarksListView = findViewById(R.id.bookmarks_databaseview_listview);
239 // Get a `Cursor` with the current contents of the bookmarks database.
240 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarks();
242 // Setup a `CursorAdapter` with `this` context. `false` disables autoRequery.
243 bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
245 public View newView(Context context, Cursor cursor, ViewGroup parent) {
246 // Inflate the individual item layout. `false` does not attach it to the root.
247 return getLayoutInflater().inflate(R.layout.bookmarks_databaseview_item_linearlayout, parent, false);
251 public void bindView(View view, Context context, Cursor cursor) {
252 boolean isFolder = (cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1);
254 // Get the database ID from the `Cursor` and display it in `bookmarkDatabaseIdTextView`.
255 int bookmarkDatabaseId = cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper._ID));
256 TextView bookmarkDatabaseIdTextView = view.findViewById(R.id.bookmarks_databaseview_database_id);
257 bookmarkDatabaseIdTextView.setText(String.valueOf(bookmarkDatabaseId));
259 // Get the favorite icon byte array from the `Cursor`.
260 byte[] favoriteIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON));
261 // Convert the byte array to a `Bitmap` beginning at the beginning at the first byte and ending at the last.
262 Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
263 // Display the bitmap in `bookmarkFavoriteIcon`.
264 ImageView bookmarkFavoriteIcon = view.findViewById(R.id.bookmarks_databaseview_favorite_icon);
265 bookmarkFavoriteIcon.setImageBitmap(favoriteIconBitmap);
267 // Get the bookmark name from the `Cursor` and display it in `bookmarkNameTextView`.
268 String bookmarkNameString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
269 TextView bookmarkNameTextView = view.findViewById(R.id.bookmarks_databaseview_bookmark_name);
270 bookmarkNameTextView.setText(bookmarkNameString);
272 // Make the font bold for folders.
274 // The first argument is `null` prevent changing of the font.
275 bookmarkNameTextView.setTypeface(null, Typeface.BOLD);
276 } else { // Reset the font to default.
277 bookmarkNameTextView.setTypeface(Typeface.DEFAULT);
280 // Get the bookmark URL form the `Cursor` and display it in `bookmarkUrlTextView`.
281 String bookmarkUrlString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL));
282 TextView bookmarkUrlTextView = view.findViewById(R.id.bookmarks_databaseview_bookmark_url);
283 bookmarkUrlTextView.setText(bookmarkUrlString);
285 // Hide the URL if the bookmark is a folder.
287 bookmarkUrlTextView.setVisibility(View.GONE);
289 bookmarkUrlTextView.setVisibility(View.VISIBLE);
292 // Get the display order from the `Cursor` and display it in `bookmarkDisplayOrderTextView`.
293 int bookmarkDisplayOrder = cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER));
294 TextView bookmarkDisplayOrderTextView = view.findViewById(R.id.bookmarks_databaseview_display_order);
295 bookmarkDisplayOrderTextView.setText(String.valueOf(bookmarkDisplayOrder));
297 // Get the parent folder from the `Cursor` and display it in `bookmarkParentFolder`.
298 String bookmarkParentFolder = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER));
299 ImageView parentFolderImageView = view.findViewById(R.id.bookmarks_databaseview_parent_folder_icon);
300 TextView bookmarkParentFolderTextView = view.findViewById(R.id.bookmarks_databaseview_parent_folder);
302 // Make the folder name gray if it is the home folder.
303 if (bookmarkParentFolder.isEmpty()) {
304 parentFolderImageView.setImageDrawable(ContextCompat.getDrawable(getApplicationContext(), R.drawable.folder_gray));
305 bookmarkParentFolderTextView.setText(R.string.home_folder);
306 bookmarkParentFolderTextView.setTextColor(ContextCompat.getColor(getApplicationContext(), R.color.gray_500));
308 parentFolderImageView.setImageDrawable(ContextCompat.getDrawable(getApplicationContext(), R.drawable.folder_dark_blue));
309 bookmarkParentFolderTextView.setText(bookmarkParentFolder);
311 // Set the text color according to the theme.
312 if (MainWebViewActivity.darkTheme) {
313 bookmarkParentFolderTextView.setTextColor(ContextCompat.getColor(getApplicationContext(), R.color.gray_300));
315 bookmarkParentFolderTextView.setTextColor(ContextCompat.getColor(getApplicationContext(), R.color.black));
321 // Update the ListView.
322 bookmarksListView.setAdapter(bookmarksCursorAdapter);
324 // Set the current folder database ID.
325 currentFolderDatabaseId = ALL_FOLDERS_DATABASE_ID;
327 // Set a listener to edit a bookmark when it is tapped.
328 bookmarksListView.setOnItemClickListener((AdapterView<?> parent, View view, int position, long id) -> {
329 // Convert the database ID to an int.
330 int databaseId = (int) id;
332 // Show the edit bookmark or edit bookmark folder dialog.
333 if (bookmarksDatabaseHelper.isFolder(databaseId)) {
334 // Save the current folder name, which is used in `onSaveBookmarkFolder()`.
335 oldFolderNameString = bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
337 // Show the edit bookmark folder dialog.
338 AppCompatDialogFragment editBookmarkFolderDatabaseViewDialog = EditBookmarkFolderDatabaseViewDialog.folderDatabaseId(databaseId);
339 editBookmarkFolderDatabaseViewDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_folder));
341 // Show the edit bookmark dialog.
342 AppCompatDialogFragment editBookmarkDatabaseViewDialog = EditBookmarkDatabaseViewDialog.bookmarkDatabaseId(databaseId);
343 editBookmarkDatabaseViewDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_bookmark));
347 // Handle long presses on the list view.
348 bookmarksListView.setMultiChoiceModeListener(new AbsListView.MultiChoiceModeListener() {
349 // Instantiate the common variables.
350 MenuItem selectAllMenuItem;
351 MenuItem deleteMenuItem;
352 boolean deletingBookmarks;
355 public boolean onCreateActionMode(ActionMode mode, Menu menu) {
356 // Inflate the menu for the contextual app bar.
357 getMenuInflater().inflate(R.menu.bookmarks_databaseview_context_menu, menu);
360 mode.setTitle(R.string.bookmarks);
362 // Get handles for the menu items.
363 selectAllMenuItem = menu.findItem(R.id.select_all);
364 deleteMenuItem = menu.findItem(R.id.delete);
366 // Disable the delete menu item if a delete is pending.
367 deleteMenuItem.setEnabled(!deletingBookmarks);
374 public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
380 public void onItemCheckedStateChanged(ActionMode mode, int position, long id, boolean checked) {
381 // Calculate the number of selected bookmarks.
382 int numberOfSelectedBookmarks = bookmarksListView.getCheckedItemCount();
384 // Adjust the ActionMode according to the number of selected bookmarks.
385 mode.setSubtitle(getString(R.string.selected) + " " + numberOfSelectedBookmarks);
387 // Do not show the select all menu item if all the bookmarks are already checked.
388 if (bookmarksListView.getCheckedItemCount() == bookmarksListView.getCount()) {
389 selectAllMenuItem.setVisible(false);
391 selectAllMenuItem.setVisible(true);
394 // Convert the database ID to an int.
395 int databaseId = (int) id;
397 // If a folder was selected, also select all the contents.
398 if (checked && bookmarksDatabaseHelper.isFolder(databaseId)) {
399 selectAllBookmarksInFolder(databaseId);
402 // Do not allow a bookmark to be deselected if the folder is selected.
404 // Get the folder name.
405 String folderName = bookmarksDatabaseHelper.getParentFolderName((int) id);
407 // If the bookmark is not in the root folder, check to see if the folder is selected.
408 if (!folderName.isEmpty()) {
409 // Get the database ID of the folder.
410 int folderDatabaseId = bookmarksDatabaseHelper.getFolderDatabaseId(folderName);
412 // Move the bookmarks cursor to the first position.
413 bookmarksCursor.moveToFirst();
415 // Initialize the folder position variable.
416 int folderPosition = -1;
418 // Get the position of the folder in the bookmarks cursor.
419 while ((folderPosition < 0) && (bookmarksCursor.getPosition() < bookmarksCursor.getCount())) {
420 // Check if the folder database ID matches the bookmark database ID.
421 if (folderDatabaseId == bookmarksCursor.getInt((bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper._ID)))) {
422 // Get the folder position.
423 folderPosition = bookmarksCursor.getPosition();
425 // Check if the folder is selected.
426 if (bookmarksListView.isItemChecked(folderPosition)) {
427 // Reselect the bookmark.
428 bookmarksListView.setItemChecked(position, true);
430 // Display a snackbar explaining why the bookmark cannot be deselected.
431 Snackbar.make(bookmarksListView, R.string.cannot_deselect_bookmark, Snackbar.LENGTH_LONG).show();
435 // Increment the bookmarks cursor.
436 bookmarksCursor.moveToNext();
443 public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
444 switch (item.getItemId()) {
445 case R.id.select_all:
446 // Get the total number of bookmarks.
447 int numberOfBookmarks = bookmarksListView.getCount();
450 for (int i = 0; i < numberOfBookmarks; i++) {
451 bookmarksListView.setItemChecked(i, true);
456 // Set the deleting bookmarks flag, which prevents the delete menu item from being enabled until the current process finishes.
457 deletingBookmarks = true;
459 // Get an array of the selected row IDs.
460 long[] selectedBookmarksIdsLongArray = bookmarksListView.getCheckedItemIds();
462 // Get an array of checked bookmarks. `.clone()` makes a copy that won't change if the list view is reloaded, which is needed for re-selecting the bookmarks on undelete.
463 SparseBooleanArray selectedBookmarksPositionsSparseBooleanArray = bookmarksListView.getCheckedItemPositions().clone();
465 // Update the bookmarks cursor with the current contents of the bookmarks database except for the specified database IDs.
466 switch (currentFolderDatabaseId) {
467 // Get a cursor with all the folders.
468 case ALL_FOLDERS_DATABASE_ID:
469 if (sortByDisplayOrder) {
470 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksByDisplayOrderExcept(selectedBookmarksIdsLongArray);
472 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksExcept(selectedBookmarksIdsLongArray);
476 // Get a cursor for the home folder.
477 case HOME_FOLDER_DATABASE_ID:
478 if (sortByDisplayOrder) {
479 bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrderExcept(selectedBookmarksIdsLongArray, "");
481 bookmarksCursor = bookmarksDatabaseHelper.getBookmarksExcept(selectedBookmarksIdsLongArray, "");
485 // Display the selected folder.
487 // Get a cursor for the selected folder.
488 if (sortByDisplayOrder) {
489 bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrderExcept(selectedBookmarksIdsLongArray, currentFolderName);
491 bookmarksCursor = bookmarksDatabaseHelper.getBookmarksExcept(selectedBookmarksIdsLongArray, currentFolderName);
495 // Update the list view.
496 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
498 // Show a Snackbar with the number of deleted bookmarks.
499 bookmarksDeletedSnackbar = Snackbar.make(findViewById(R.id.bookmarks_databaseview_coordinatorlayout),
500 getString(R.string.bookmarks_deleted) + " " + selectedBookmarksIdsLongArray.length, Snackbar.LENGTH_LONG)
501 .setAction(R.string.undo, view -> {
502 // Do nothing because everything will be handled by `onDismissed()` below.
504 .addCallback(new Snackbar.Callback() {
506 public void onDismissed(Snackbar snackbar, int event) {
508 // The user pushed the `Undo` button.
509 case Snackbar.Callback.DISMISS_EVENT_ACTION:
510 // Update the bookmarks list view with the current contents of the bookmarks database, including the "deleted bookmarks.
511 updateBookmarksListView();
513 // Re-select the previously selected bookmarks.
514 for (int i = 0; i < selectedBookmarksPositionsSparseBooleanArray.size(); i++) {
515 bookmarksListView.setItemChecked(selectedBookmarksPositionsSparseBooleanArray.keyAt(i), true);
519 // The Snackbar was dismissed without the `Undo` button being pushed.
521 // Delete each selected bookmark.
522 for (long databaseIdLong : selectedBookmarksIdsLongArray) {
523 // Convert `databaseIdLong` to an int.
524 int databaseIdInt = (int) databaseIdLong;
526 // Delete the selected bookmark.
527 bookmarksDatabaseHelper.deleteBookmark(databaseIdInt);
531 // Reset the deleting bookmarks flag.
532 deletingBookmarks = false;
534 // Enable the delete menu item.
535 deleteMenuItem.setEnabled(true);
537 // Close the activity if back has been pressed.
538 if (closeActivityAfterDismissingSnackbar) {
544 // Show the Snackbar.
545 bookmarksDeletedSnackbar.show();
549 // Consume the click.
554 public void onDestroyActionMode(ActionMode mode) {
561 public boolean onCreateOptionsMenu(Menu menu) {
563 getMenuInflater().inflate(R.menu.bookmarks_databaseview_options_menu, menu);
570 public boolean onOptionsItemSelected(MenuItem menuItem) {
571 // Get the ID of the menu item that was selected.
572 int menuItemId = menuItem.getItemId();
574 switch (menuItemId) {
575 case android.R.id.home: // The home arrow is identified as `android.R.id.home`, not just `R.id.home`.
576 // Exit the activity.
580 case R.id.options_menu_sort:
581 // Update the sort by display order tracker.
582 sortByDisplayOrder = !sortByDisplayOrder;
584 // Get a handle for the bookmarks `ListView`.
585 ListView bookmarksListView = findViewById(R.id.bookmarks_databaseview_listview);
587 // Update the icon and display a snackbar.
588 if (sortByDisplayOrder) { // Sort by display order.
589 // Update the icon according to the theme.
590 if (MainWebViewActivity.darkTheme) {
591 menuItem.setIcon(R.drawable.sort_selected_dark);
593 menuItem.setIcon(R.drawable.sort_selected_light);
596 // Display a Snackbar indicating the current sort type.
597 Snackbar.make(bookmarksListView, R.string.sorted_by_display_order, Snackbar.LENGTH_SHORT).show();
598 } else { // Sort by database id.
599 // Update the icon according to the theme.
600 if (MainWebViewActivity.darkTheme) {
601 menuItem.setIcon(R.drawable.sort_dark);
603 menuItem.setIcon(R.drawable.sort_light);
606 // Display a Snackbar indicating the current sort type.
607 Snackbar.make(bookmarksListView, R.string.sorted_by_database_id, Snackbar.LENGTH_SHORT).show();
610 // Update the list view.
611 updateBookmarksListView();
618 public void onBackPressed() {
619 // Check to see if a snackbar is currently displayed. If so, it must be closed before existing so that a pending delete is completed before reloading the list view in the bookmarks activity.
620 if ((bookmarksDeletedSnackbar != null) && bookmarksDeletedSnackbar.isShown()) { // Close the bookmarks deleted snackbar before going home.
621 // Set the close flag.
622 closeActivityAfterDismissingSnackbar = true;
624 // Dismiss the snackbar.
625 bookmarksDeletedSnackbar.dismiss();
626 } else { // Go home immediately.
627 // Update the current folder in the bookmarks activity.
628 switch (currentFolderDatabaseId) {
629 case ALL_FOLDERS_DATABASE_ID:
630 // Load the home folder.
631 BookmarksActivity.currentFolder = "";
634 case HOME_FOLDER_DATABASE_ID:
635 // Load the home folder.
636 BookmarksActivity.currentFolder = "";
640 // Load the current folder.
641 BookmarksActivity.currentFolder = currentFolderName;
644 // Reload the bookmarks list view when returning to the bookmarks activity.
645 BookmarksActivity.restartFromBookmarksDatabaseViewActivity = true;
647 // Exit the bookmarks database view activity.
648 super.onBackPressed();
652 private void updateBookmarksListView() {
653 // Populate the bookmarks list view based on the spinner selection.
654 switch (currentFolderDatabaseId) {
655 // Get a cursor with all the folders.
656 case ALL_FOLDERS_DATABASE_ID:
657 if (sortByDisplayOrder) {
658 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksByDisplayOrder();
660 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarks();
664 // Get a cursor for the home folder.
665 case HOME_FOLDER_DATABASE_ID:
666 if (sortByDisplayOrder) {
667 bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder("");
669 bookmarksCursor = bookmarksDatabaseHelper.getBookmarks("");
673 // Display the selected folder.
675 // Get a cursor for the selected folder.
676 if (sortByDisplayOrder) {
677 bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentFolderName);
679 bookmarksCursor = bookmarksDatabaseHelper.getBookmarks(currentFolderName);
683 // Update the list view.
684 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
687 private void selectAllBookmarksInFolder(int folderId) {
688 // Get a handle for the bookmarks list view.
689 ListView bookmarksListView = findViewById(R.id.bookmarks_databaseview_listview);
691 // Get the folder name.
692 String folderName = bookmarksDatabaseHelper.getFolderName(folderId);
694 // Get a cursor with the contents of the folder.
695 Cursor folderCursor = bookmarksDatabaseHelper.getBookmarks(folderName);
697 // Move to the beginning of the cursor.
698 folderCursor.moveToFirst();
700 while (folderCursor.getPosition() < folderCursor.getCount()) {
701 // Get the bookmark database ID.
702 int bookmarkId = folderCursor.getInt(folderCursor.getColumnIndex(BookmarksDatabaseHelper._ID));
704 // Move the bookmarks cursor to the first position.
705 bookmarksCursor.moveToFirst();
707 // Initialize the bookmark position variable.
708 int bookmarkPosition = -1;
710 // Get the position of this bookmark in the bookmarks cursor.
711 while ((bookmarkPosition < 0) && (bookmarksCursor.getPosition() < bookmarksCursor.getCount())) {
712 // Check if the bookmark IDs match.
713 if (bookmarkId == bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper._ID))) {
714 // Get the bookmark position.
715 bookmarkPosition = bookmarksCursor.getPosition();
717 // If this bookmark is a folder, select all the bookmarks inside it.
718 if (bookmarksDatabaseHelper.isFolder(bookmarkId)) {
719 selectAllBookmarksInFolder(bookmarkId);
722 // Select the bookmark.
723 bookmarksListView.setItemChecked(bookmarkPosition, true);
726 // Increment the bookmarks cursor position.
727 bookmarksCursor.moveToNext();
730 // Move to the next position.
731 folderCursor.moveToNext();
736 public void onSaveBookmark(AppCompatDialogFragment dialogFragment, int selectedBookmarkDatabaseId) {
737 // Get handles for the views from dialog fragment.
738 RadioButton currentBookmarkIconRadioButton = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_current_icon_radiobutton);
739 EditText editBookmarkNameEditText = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_name_edittext);
740 EditText editBookmarkUrlEditText = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_url_edittext);
741 Spinner folderSpinner = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_folder_spinner);
742 EditText displayOrderEditText = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_display_order_edittext);
744 // Extract the bookmark information.
745 String bookmarkNameString = editBookmarkNameEditText.getText().toString();
746 String bookmarkUrlString = editBookmarkUrlEditText.getText().toString();
747 int folderDatabaseId = (int) folderSpinner.getSelectedItemId();
748 int displayOrderInt = Integer.valueOf(displayOrderEditText.getText().toString());
750 // Instantiate the parent folder name `String`.
751 String parentFolderNameString;
753 // Set the parent folder name.
754 if (folderDatabaseId == EditBookmarkDatabaseViewDialog.HOME_FOLDER_DATABASE_ID) { // The home folder is selected. Use `""`.
755 parentFolderNameString = "";
756 } else { // Get the parent folder name from the database.
757 parentFolderNameString = bookmarksDatabaseHelper.getFolderName(folderDatabaseId);
760 // Update the bookmark.
761 if (currentBookmarkIconRadioButton.isChecked()) { // Update the bookmark without changing the favorite icon.
762 bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, parentFolderNameString, displayOrderInt);
763 } else { // Update the bookmark using the `WebView` favorite icon.
764 // Convert the favorite icon to a byte array. `0` is for lossless compression (the only option for a PNG).
765 ByteArrayOutputStream newFavoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
766 MainWebViewActivity.favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFavoriteIconByteArrayOutputStream);
767 byte[] newFavoriteIconByteArray = newFavoriteIconByteArrayOutputStream.toByteArray();
769 // Update the bookmark and the favorite icon.
770 bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, parentFolderNameString, displayOrderInt, newFavoriteIconByteArray);
773 // Update the list view.
774 updateBookmarksListView();
778 public void onSaveBookmarkFolder(AppCompatDialogFragment dialogFragment, int selectedBookmarkDatabaseId) {
779 // Get handles for the views from dialog fragment.
780 RadioButton currentBookmarkIconRadioButton = dialogFragment.getDialog().findViewById(R.id.edit_folder_current_icon_radiobutton);
781 RadioButton defaultFolderIconRadioButton = dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon_radiobutton);
782 ImageView defaultFolderIconImageView = dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon_imageview);
783 EditText editBookmarkNameEditText = dialogFragment.getDialog().findViewById(R.id.edit_folder_name_edittext);
784 Spinner parentFolderSpinner = dialogFragment.getDialog().findViewById(R.id.edit_folder_parent_folder_spinner);
785 EditText displayOrderEditText = dialogFragment.getDialog().findViewById(R.id.edit_folder_display_order_edittext);
787 // Extract the folder information.
788 String newFolderNameString = editBookmarkNameEditText.getText().toString();
789 int parentFolderDatabaseId = (int) parentFolderSpinner.getSelectedItemId();
790 int displayOrderInt = Integer.valueOf(displayOrderEditText.getText().toString());
792 // Instantiate the parent folder name `String`.
793 String parentFolderNameString;
795 // Set the parent folder name.
796 if (parentFolderDatabaseId == EditBookmarkFolderDatabaseViewDialog.HOME_FOLDER_DATABASE_ID) { // The home folder is selected. Use `""`.
797 parentFolderNameString = "";
798 } else { // Get the parent folder name from the database.
799 parentFolderNameString = bookmarksDatabaseHelper.getFolderName(parentFolderDatabaseId);
802 // Update the folder.
803 if (currentBookmarkIconRadioButton.isChecked()) { // Update the folder without changing the favorite icon.
804 bookmarksDatabaseHelper.updateFolder(selectedBookmarkDatabaseId, oldFolderNameString, newFolderNameString, parentFolderNameString, displayOrderInt);
805 } else { // Update the folder and the icon.
806 // Instantiate the new folder icon `Bitmap`.
807 Bitmap folderIconBitmap;
809 // Populate the new folder icon bitmap.
810 if (defaultFolderIconRadioButton.isChecked()) {
811 // Get the default folder icon and convert it to a `Bitmap`.
812 Drawable folderIconDrawable = defaultFolderIconImageView.getDrawable();
813 BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
814 folderIconBitmap = folderIconBitmapDrawable.getBitmap();
815 } else { // Use the `WebView` favorite icon.
816 folderIconBitmap = MainWebViewActivity.favoriteIconBitmap;
819 // Convert the folder icon to a byte array. `0` is for lossless compression (the only option for a PNG).
820 ByteArrayOutputStream newFolderIconByteArrayOutputStream = new ByteArrayOutputStream();
821 folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFolderIconByteArrayOutputStream);
822 byte[] newFolderIconByteArray = newFolderIconByteArrayOutputStream.toByteArray();
824 // Update the folder and the icon.
825 bookmarksDatabaseHelper.updateFolder(selectedBookmarkDatabaseId, oldFolderNameString, newFolderNameString, parentFolderNameString, displayOrderInt, newFolderIconByteArray);
828 // Update the list view.
829 updateBookmarksListView();
833 public void onDestroy() {
834 // Close the bookmarks cursor and database.
835 bookmarksCursor.close();
836 bookmarksDatabaseHelper.close();
838 // Run the default commands.