2 * Copyright © 2016-2017 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.CreateBookmarkDialog;
55 import com.stoutner.privacybrowser.dialogs.CreateBookmarkFolderDialog;
56 import com.stoutner.privacybrowser.dialogs.EditBookmarkDialog;
57 import com.stoutner.privacybrowser.dialogs.EditBookmarkFolderDialog;
58 import com.stoutner.privacybrowser.dialogs.MoveToFolderDialog;
59 import com.stoutner.privacybrowser.R;
60 import com.stoutner.privacybrowser.helpers.BookmarksDatabaseHelper;
62 import java.io.ByteArrayOutputStream;
64 public class BookmarksActivity extends AppCompatActivity implements CreateBookmarkDialog.CreateBookmarkListener, CreateBookmarkFolderDialog.CreateBookmarkFolderListener, EditBookmarkDialog.EditBookmarkListener, EditBookmarkFolderDialog.EditBookmarkFolderListener,
65 MoveToFolderDialog.MoveToFolderListener {
67 // `bookmarksDatabaseHelper` is public static so it can be accessed from `CreateBookmarkFolderDialog`, `EditBookmarkDialog`, `EditBookmarkFolderDialog` and `MoveToFolderDialog`. It is also used in `onCreate()`,
68 // `onCreateBookmarkCreate()`, `updateBookmarksListView()`, and `updateBookmarksListViewExcept()`.
69 public static BookmarksDatabaseHelper bookmarksDatabaseHelper;
71 // `currentFolder` is public static so it can be accessed from `MoveToFolderDialog`.
72 // It is used in `onCreate`, `onOptionsItemSelected()`, `onCreateBookmarkCreate`, `onCreateBookmarkFolderCreate`, and `onEditBookmarkSave`.
73 public static String currentFolder;
75 // `checkedItemIds` is public static so it can be accessed from `EditBookmarkDialog`, `EditBookmarkFolderDialog`, and `MoveToFolderDialog`.
76 // It is also used in `onActionItemClicked`.
77 public static long[] checkedItemIds;
80 // `bookmarksListView` is used in `onCreate()`, `updateBookmarksListView()`, and `updateBookmarksListViewExcept()`.
81 private ListView bookmarksListView;
83 // `contextualActionMode` is used in `onCreate()` and `onEditBookmarkSave()`.
84 private ActionMode contextualActionMode;
86 // `bookmarkListViewPosition` is used in `onCreate()`, `onSaveEditBookmark()`, and `onSaveEditBookmarkFolder()`.
87 private int bookmarksListViewPosition;
89 // `appBar` is used in `onCreate()` and `updateBookmarksListView()`.
90 private ActionBar appBar;
92 // `bookmarksCursor` is used in `onCreate()`, `updateBookmarksListView()`, and `updateBookmarksListViewExcept()`.
93 private Cursor bookmarksCursor;
95 // `oldFolderName` is used in `onCreate()` and `onEditBookmarkFolderSave()`.
96 private String oldFolderNameString;
99 protected void onCreate(Bundle savedInstanceState) {
100 // Set the activity theme.
101 if (MainWebViewActivity.darkTheme) {
102 setTheme(R.style.PrivacyBrowserDark_SecondaryActivity);
104 setTheme(R.style.PrivacyBrowserLight_SecondaryActivity);
107 // Run the default commands.
108 super.onCreate(savedInstanceState);
110 // Set the content view.
111 setContentView(R.layout.bookmarks_coordinatorlayout);
113 // Use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
114 final Toolbar bookmarksAppBar = (Toolbar) findViewById(R.id.bookmarks_toolbar);
115 setSupportActionBar(bookmarksAppBar);
117 // Display the home arrow on `SupportActionBar`.
118 appBar = getSupportActionBar();
119 assert appBar != null;// This assert removes the incorrect warning in Android Studio on the following line that `appBar` might be null.
120 appBar.setDisplayHomeAsUpEnabled(true);
123 // Initialize the database helper and the `ListView`. `this` specifies the context. The two `nulls` do not specify the database name or a `CursorFactory`.
124 // The `0` specifies a database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
125 bookmarksDatabaseHelper = new BookmarksDatabaseHelper(this, null, null, 0);
126 bookmarksListView = (ListView) findViewById(R.id.bookmarks_listview);
128 // Set currentFolder to the home folder, which is `""` in the database.
131 // Display the bookmarks in the ListView.
132 updateBookmarksListView(currentFolder);
134 // Set a listener so that tapping a list item loads the URL. We need to store the activity in a variable so that we can return to the parent activity after loading the URL.
135 final Activity bookmarksActivity = this;
136 bookmarksListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
138 public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
139 // Convert the id from long to int to match the format of the bookmarks database.
140 int databaseID = (int) id;
142 // Get the bookmark `Cursor` for this ID and move it to the first row.
143 Cursor bookmarkCursor = bookmarksDatabaseHelper.getBookmarkCursor(databaseID);
144 bookmarkCursor.moveToFirst();
146 // If the bookmark is a folder load its contents into the ListView.
147 if (bookmarkCursor.getInt(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1) {
148 // Update `currentFolder`.
149 currentFolder = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
151 // Reload the ListView with `currentFolder`.
152 updateBookmarksListView(currentFolder);
153 } else { // Load the URL into `mainWebView`.
154 // Get the bookmark URL and assign it to formattedUrlString. `mainWebView` will automatically reload when `BookmarksActivity` closes.
155 MainWebViewActivity.formattedUrlString = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL));
157 NavUtils.navigateUpFromSameTask(bookmarksActivity);
160 // Close the `Cursor`.
161 bookmarkCursor.close();
165 // `MultiChoiceModeListener` handles long clicks.
166 bookmarksListView.setMultiChoiceModeListener(new AbsListView.MultiChoiceModeListener() {
167 // `moveBookmarkUpMenuItem` is used in `onCreateActionMode()` and `onItemCheckedStateChanged`.
168 MenuItem moveBookmarkUpMenuItem;
170 // `moveBookmarkDownMenuItem` is used in `onCreateActionMode()` and `onItemCheckedStateChanged`.
171 MenuItem moveBookmarkDownMenuItem;
173 // `editBookmarkMenuItem` is used in `onCreateActionMode()` and `onItemCheckedStateChanged`.
174 MenuItem editBookmarkMenuItem;
176 // `selectAllBookmarks` is used in `onCreateActionMode()` and `onItemCheckedStateChanges`.
177 MenuItem selectAllBookmarksMenuItem;
180 public boolean onCreateActionMode(ActionMode mode, Menu menu) {
181 // Inflate the menu for the contextual app bar and set the title.
182 getMenuInflater().inflate(R.menu.bookmarks_context_menu, menu);
185 if (currentFolder.isEmpty()) {
186 // Use `R.string.bookmarks` if we are in the home folder.
187 mode.setTitle(R.string.bookmarks);
188 } else { // Use the current folder name as the title.
189 mode.setTitle(currentFolder);
192 // Get a handle for MenuItems we need to selectively disable.
193 moveBookmarkUpMenuItem = menu.findItem(R.id.move_bookmark_up);
194 moveBookmarkDownMenuItem = menu.findItem(R.id.move_bookmark_down);
195 editBookmarkMenuItem = menu.findItem(R.id.edit_bookmark);
196 selectAllBookmarksMenuItem = menu.findItem(R.id.context_menu_select_all_bookmarks);
198 // Store `contextualActionMode` so we can close it programatically.
199 contextualActionMode = mode;
205 public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
206 // Get a handle for the move to folder menu item.
207 MenuItem moveToFolderMenuItem = menu.findItem(R.id.move_to_folder);
209 // Get a `Cursor` with all of the folders.
210 Cursor folderCursor = bookmarksDatabaseHelper.getAllFoldersCursor();
212 // Enable the move to folder menu item if at least one folder exists.
213 moveToFolderMenuItem.setVisible(folderCursor.getCount() > 0);
215 // `return true` indicates that the menu has been updated.
220 public void onItemCheckedStateChanged(ActionMode mode, int position, long id, boolean checked) {
221 // Get an array of the selected bookmarks.
222 long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
224 // Calculate the number of selected bookmarks.
225 int numberOfSelectedBookmarks = selectedBookmarksLongArray.length;
227 // Adjust the `mode` and the menu for the number of selected bookmarks.
228 if (numberOfSelectedBookmarks == 0) {
230 } else if (numberOfSelectedBookmarks == 1) {
231 // List the number of selected bookmarks in the subtitle.
232 mode.setSubtitle(getString(R.string.one_selected));
234 // Show the `Move Up`, `Move Down`, and `Edit` options.
235 moveBookmarkUpMenuItem.setVisible(true);
236 moveBookmarkDownMenuItem.setVisible(true);
237 editBookmarkMenuItem.setVisible(true);
239 // Get the database IDs for the bookmarks.
240 int selectedBookmarkDatabaseId = (int) selectedBookmarksLongArray[0];
241 int firstBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(0);
242 // bookmarksListView is 0 indexed.
243 int lastBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(bookmarksListView.getCount() - 1);
245 // Disable `moveBookmarkUpMenuItem` if the selected bookmark is at the top of the ListView.
246 if (selectedBookmarkDatabaseId == firstBookmarkDatabaseId) {
247 moveBookmarkUpMenuItem.setEnabled(false);
248 moveBookmarkUpMenuItem.setIcon(R.drawable.move_up_disabled);
249 } else { // Otherwise enable `moveBookmarkUpMenuItem`.
250 moveBookmarkUpMenuItem.setEnabled(true);
252 // Set the icon according to the theme.
253 if (MainWebViewActivity.darkTheme) {
254 moveBookmarkUpMenuItem.setIcon(R.drawable.move_up_enabled_dark);
256 moveBookmarkUpMenuItem.setIcon(R.drawable.move_up_enabled_light);
260 // Disable `moveBookmarkDownMenuItem` if the selected bookmark is at the bottom of the ListView.
261 if (selectedBookmarkDatabaseId == lastBookmarkDatabaseId) {
262 moveBookmarkDownMenuItem.setEnabled(false);
263 moveBookmarkDownMenuItem.setIcon(R.drawable.move_down_disabled);
264 } else { // Otherwise enable `moveBookmarkDownMenuItem`.
265 moveBookmarkDownMenuItem.setEnabled(true);
267 // Set the icon according to the theme.
268 if (MainWebViewActivity.darkTheme) {
269 moveBookmarkDownMenuItem.setIcon(R.drawable.move_down_enabled_dark);
271 moveBookmarkDownMenuItem.setIcon(R.drawable.move_down_enabled_light);
274 } else { // More than one bookmark is selected.
275 // List the number of selected bookmarks in the subtitle.
276 mode.setSubtitle(numberOfSelectedBookmarks + " " + getString(R.string.selected));
278 // Hide non-applicable `MenuItems`.
279 moveBookmarkUpMenuItem.setVisible(false);
280 moveBookmarkDownMenuItem.setVisible(false);
281 editBookmarkMenuItem.setVisible(false);
284 // Do not show `Select All` if all the bookmarks are already checked.
285 if (bookmarksListView.getCheckedItemIds().length == bookmarksListView.getCount()) {
286 selectAllBookmarksMenuItem.setVisible(false);
288 selectAllBookmarksMenuItem.setVisible(true);
293 public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
294 // Get the menu item ID.
295 int menuItemId = item.getItemId();
297 // Instantiate the common variables.
298 int numberOfBookmarks;
299 int selectedBookmarkPosition;
300 int selectedBookmarkNewPosition;
301 final SparseBooleanArray selectedBookmarksPositionsSparseBooleanArray;
303 switch (menuItemId) {
304 case R.id.move_bookmark_up:
305 // Get the array of checked bookmarks.
306 selectedBookmarksPositionsSparseBooleanArray = bookmarksListView.getCheckedItemPositions();
308 // Store the position of the selected bookmark.
309 selectedBookmarkPosition = selectedBookmarksPositionsSparseBooleanArray.keyAt(0);
311 // Initialize `selectedBookmarkNewPosition`.
312 selectedBookmarkNewPosition = 0;
314 // Iterate through the bookmarks.
315 for (int i = 0; i < bookmarksListView.getCount(); i++) {
316 // Get the database ID for the current bookmark.
317 int currentBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(i);
319 // Update the display order for the current bookmark.
320 if (i == selectedBookmarkPosition) { // The current bookmark is the selected bookmark.
321 // Move the current bookmark up one.
322 bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i - 1);
323 selectedBookmarkNewPosition = i - 1;
324 } else if ((i + 1) == selectedBookmarkPosition){ // The current bookmark is immediately above the selected bookmark.
325 // Move the current bookmark down one.
326 bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i + 1);
327 } else { // The current bookmark is not changing positions.
328 // Move `bookmarksCursor` to the current bookmark position.
329 bookmarksCursor.moveToPosition(i);
331 // Update the display order only if it is not correct in the database.
332 if (bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)) != i) {
333 bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i);
338 // Refresh the ListView.
339 updateBookmarksListView(currentFolder);
341 // Select the previously selected bookmark in the new location.
342 bookmarksListView.setItemChecked(selectedBookmarkNewPosition, true);
344 // Scroll `bookmarksListView` to five items above `selectedBookmarkNewPosition`.
345 bookmarksListView.setSelection(selectedBookmarkNewPosition - 5);
349 case R.id.move_bookmark_down:
350 // Get the array of checked bookmarks.
351 selectedBookmarksPositionsSparseBooleanArray = bookmarksListView.getCheckedItemPositions();
353 // Store the position of the selected bookmark.
354 selectedBookmarkPosition = selectedBookmarksPositionsSparseBooleanArray.keyAt(0);
356 // Initialize `selectedBookmarkNewPosition`.
357 selectedBookmarkNewPosition = 0;
359 // Iterate through the bookmarks.
360 for (int i = 0; i <bookmarksListView.getCount(); i++) {
361 // Get the database ID for the current bookmark.
362 int currentBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(i);
364 // Update the display order for the current bookmark.
365 if (i == selectedBookmarkPosition) { // The current bookmark is the selected bookmark.
366 // Move the current bookmark down one.
367 bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i + 1);
368 selectedBookmarkNewPosition = i + 1;
369 } else if ((i - 1) == selectedBookmarkPosition) { // The current bookmark is immediately below the selected bookmark.
370 // Move the bookmark below the selected bookmark up one.
371 bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i - 1);
372 } else { // The current bookmark is not changing positions.
373 // Move `bookmarksCursor` to the current bookmark position.
374 bookmarksCursor.moveToPosition(i);
376 // Update the display order only if it is not correct in the database.
377 if (bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)) != i) {
378 bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i);
383 // Refresh the ListView.
384 updateBookmarksListView(currentFolder);
386 // Select the previously selected bookmark in the new location.
387 bookmarksListView.setItemChecked(selectedBookmarkNewPosition, true);
389 // Scroll `bookmarksListView` to five items above `selectedBookmarkNewPosition`.
390 bookmarksListView.setSelection(selectedBookmarkNewPosition - 5);
393 case R.id.move_to_folder:
394 // Store `checkedItemIds` for use by the `AlertDialog`.
395 checkedItemIds = bookmarksListView.getCheckedItemIds();
397 // Show the `MoveToFolderDialog` `AlertDialog` and name the instance `@string/move_to_folder
398 AppCompatDialogFragment moveToFolderDialog = new MoveToFolderDialog();
399 moveToFolderDialog.show(getSupportFragmentManager(), getResources().getString(R.string.move_to_folder));
402 case R.id.edit_bookmark:
403 // Store the scroll position of the bookmarks `ListView`.
404 bookmarksListViewPosition = bookmarksListView.getFirstVisiblePosition();
406 // Get the array of checked bookmarks.
407 selectedBookmarksPositionsSparseBooleanArray = bookmarksListView.getCheckedItemPositions();
409 // Get the position of the selected bookmark.
410 selectedBookmarkPosition = selectedBookmarksPositionsSparseBooleanArray.keyAt(0);
412 // Move to the selected database ID and find out if it is a folder.
413 bookmarksCursor.moveToPosition(selectedBookmarkPosition);
414 boolean isFolder = (bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1);
416 // Store `checkedItemIds` for use by the `AlertDialog`.
417 checkedItemIds = bookmarksListView.getCheckedItemIds();
420 // Save the current folder name.
421 oldFolderNameString = bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
423 // Show the `EditBookmarkFolderDialog` `AlertDialog` and name the instance `@string/edit_folder`.
424 AppCompatDialogFragment editFolderDialog = new EditBookmarkFolderDialog();
425 editFolderDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_folder));
427 // Show the `EditBookmarkDialog` `AlertDialog` and name the instance `@string/edit_bookmark`.
428 AppCompatDialogFragment editBookmarkDialog = new EditBookmarkDialog();
429 editBookmarkDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_bookmark));
433 case R.id.delete_bookmark:
434 // Get an array of the selected rows IDs.
435 final long[] selectedBookmarksIdsLongArray = bookmarksListView.getCheckedItemIds();
437 // Get the array of checked bookmarks. `.clone()` makes a copy that won't change if `bookmarksListView` is reloaded, which is needed for re-selecting the bookmarks on undelete.
438 selectedBookmarksPositionsSparseBooleanArray = bookmarksListView.getCheckedItemPositions().clone();
440 // Store the current scroll position for the purpose of restoring it on undelete.
441 final int scrollPositionBeforeDelete = bookmarksListView.getFirstVisiblePosition();
443 // Store the scroll position of the bookmarks `ListView`.
444 bookmarksListViewPosition = bookmarksListView.getFirstVisiblePosition();
446 // Display the bookmarks except for those that are going to be deleted.
447 updateBookmarksListViewExcept(selectedBookmarksIdsLongArray, currentFolder);
449 // Restore the scroll position.
450 bookmarksListView.setSelection(bookmarksListViewPosition);
452 // Create `snackbarMessage`.
453 String snackbarMessage;
455 // Determine how many items are in the array and prepare an appropriate Snackbar message.
456 if (selectedBookmarksIdsLongArray.length == 1) {
457 snackbarMessage = getString(R.string.one_bookmark_deleted);
459 snackbarMessage = selectedBookmarksIdsLongArray.length + " " + getString(R.string.bookmarks_deleted);
463 Snackbar.make(findViewById(R.id.bookmarks_coordinatorlayout), snackbarMessage, Snackbar.LENGTH_LONG)
464 .setAction(R.string.undo, new View.OnClickListener() {
466 public void onClick(View view) {
467 // Do nothing because everything will be handled by `onDismissed()` below.
470 .addCallback(new Snackbar.Callback() {
472 public void onDismissed(Snackbar snackbar, int event) {
474 // The user pushed the `Undo` button.
475 case Snackbar.Callback.DISMISS_EVENT_ACTION:
476 // Refresh the ListView to show the rows again.
477 updateBookmarksListView(currentFolder);
479 // Select the previously selected bookmarks.
480 for (int i = 0; i < selectedBookmarksPositionsSparseBooleanArray.size(); i++) {
481 bookmarksListView.setItemChecked(selectedBookmarksPositionsSparseBooleanArray.keyAt(i), true);
484 // Restore the scroll position.
485 bookmarksListView.setSelection(scrollPositionBeforeDelete);
488 // The `Snackbar` was dismissed without the `Undo` button being pushed.
490 // Delete each selected row.
491 for (long databaseIdLong : selectedBookmarksIdsLongArray) {
492 // Convert `databaseIdLong` to an int.
493 int databaseIdInt = (int) databaseIdLong;
495 if (bookmarksDatabaseHelper.isFolder(databaseIdInt)) {
496 deleteBookmarkFolderContents(databaseIdInt);
499 // Delete `databaseIdInt`.
500 bookmarksDatabaseHelper.deleteBookmark(databaseIdInt);
503 // Update the display order.
504 for (int i = 0; i < bookmarksListView.getCount(); i++) {
505 // Get the database ID for the current bookmark.
506 int currentBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(i);
508 // Move `bookmarksCursor` to the current bookmark position.
509 bookmarksCursor.moveToPosition(i);
511 // Update the display order only if it is not correct in the database.
512 if (bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)) != i) {
513 bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i);
522 // Close the contextual app bar.
526 case R.id.context_menu_select_all_bookmarks:
527 numberOfBookmarks = bookmarksListView.getCount();
529 for (int i = 0; i < numberOfBookmarks; i++) {
530 bookmarksListView.setItemChecked(i, true);
534 // Consume the click.
539 public void onDestroyActionMode(ActionMode mode) {
544 // Get handles for the `FloatingActionButtons.
545 FloatingActionButton createBookmarkFolderFab = (FloatingActionButton) findViewById(R.id.create_bookmark_folder_fab);
546 FloatingActionButton createBookmarkFab = (FloatingActionButton) findViewById(R.id.create_bookmark_fab);
548 // Set the create new bookmark folder FAB to display the dialog box.
549 createBookmarkFolderFab.setOnClickListener(new View.OnClickListener() {
551 public void onClick(View v) {
552 // Show the `CreateBookmarkFolderDialog` `AlertDialog` and name the instance `@string/create_folder`.
553 AppCompatDialogFragment createBookmarkFolderDialog = new CreateBookmarkFolderDialog();
554 createBookmarkFolderDialog.show(getSupportFragmentManager(), getResources().getString(R.string.create_folder));
558 // Set the create new bookmark FAB to display the dialog box.
559 createBookmarkFab.setOnClickListener(new View.OnClickListener() {
561 public void onClick(View view) {
562 // Show the `CreateBookmarkDialog` `AlertDialog` and name the instance `@string/create_bookmark`.
563 AppCompatDialogFragment createBookmarkDialog = new CreateBookmarkDialog();
564 createBookmarkDialog.show(getSupportFragmentManager(), getResources().getString(R.string.create_bookmark));
570 public boolean onCreateOptionsMenu(Menu menu) {
572 getMenuInflater().inflate(R.menu.bookmarks_options_menu, menu);
579 public boolean onOptionsItemSelected(MenuItem menuItem) {
580 // Get the ID of the `MenuItem` that was selected.
581 int menuItemId = menuItem.getItemId();
583 switch (menuItemId) {
584 case android.R.id.home: // The home arrow is identified as `android.R.id.home`, not just `R.id.home`.
585 if (currentFolder.isEmpty()) { // Exit BookmarksActivity if currently in the home folder.
586 NavUtils.navigateUpFromSameTask(this);
587 } else { // Navigate up one folder.
588 // Place the former parent folder in `currentFolder`.
589 currentFolder = bookmarksDatabaseHelper.getParentFolder(currentFolder);
591 // Update `bookmarksListView`.
592 updateBookmarksListView(currentFolder);
596 case R.id.options_menu_select_all_bookmarks:
597 int numberOfBookmarks = bookmarksListView.getCount();
599 for (int i = 0; i < numberOfBookmarks; i++) {
600 bookmarksListView.setItemChecked(i, true);
604 case R.id.bookmarks_database_view:
605 // Launch `BookmarksDatabaseViewActivity`.
606 Intent bookmarksDatabaseViewIntent = new Intent(this, BookmarksDatabaseViewActivity.class);
607 startActivity(bookmarksDatabaseViewIntent);
614 public void onBackPressed() {
615 if (currentFolder.isEmpty()) { // Exit BookmarksActivity if currently in the home folder.
616 super.onBackPressed();
617 } else { // Navigate up one folder.
618 // Place the former parent folder in `currentFolder`.
619 currentFolder = bookmarksDatabaseHelper.getParentFolder(currentFolder);
621 // Reload the `ListView`.
622 updateBookmarksListView(currentFolder);
627 public void onCreateBookmark(AppCompatDialogFragment dialogFragment) {
628 // Get the `EditTexts` from the `dialogFragment`.
629 EditText createBookmarkNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.create_bookmark_name_edittext);
630 EditText createBookmarkUrlEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.create_bookmark_url_edittext);
632 // Extract the strings from the `EditTexts`.
633 String bookmarkNameString = createBookmarkNameEditText.getText().toString();
634 String bookmarkUrlString = createBookmarkUrlEditText.getText().toString();
636 // Convert the favoriteIcon Bitmap to a byte array.
637 ByteArrayOutputStream favoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
638 // `0` is for lossless compression (the only option for a PNG).
639 MainWebViewActivity.favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, favoriteIconByteArrayOutputStream);
640 byte[] favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray();
642 // Display the new bookmark below the current items in the (0 indexed) list.
643 int newBookmarkDisplayOrder = bookmarksListView.getCount();
645 // Create the bookmark.
646 bookmarksDatabaseHelper.createBookmark(bookmarkNameString, bookmarkUrlString, newBookmarkDisplayOrder, currentFolder, favoriteIconByteArray);
648 // Refresh the `ListView`. `setSelection` scrolls to the bottom of the list.
649 updateBookmarksListView(currentFolder);
650 bookmarksListView.setSelection(newBookmarkDisplayOrder);
654 public void onCreateBookmarkFolder(AppCompatDialogFragment dialogFragment) {
655 // Get `create_folder_name_edit_text` and extract the string.
656 EditText createFolderNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.create_folder_name_edittext);
657 String folderNameString = createFolderNameEditText.getText().toString();
659 // Get the new folder icon `Bitmap`.
660 RadioButton defaultFolderIconRadioButton = (RadioButton) dialogFragment.getDialog().findViewById(R.id.create_folder_default_icon_radiobutton);
661 Bitmap folderIconBitmap;
662 if (defaultFolderIconRadioButton.isChecked()) {
663 // Get the default folder icon `ImageView` from the `Dialog` and convert it to a `Bitmap`.
664 ImageView folderIconImageView = (ImageView) dialogFragment.getDialog().findViewById(R.id.create_folder_default_icon);
665 Drawable folderIconDrawable = folderIconImageView.getDrawable();
666 BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
667 folderIconBitmap = folderIconBitmapDrawable.getBitmap();
668 } else { // Assign `favoriteIcon` from the `WebView`.
669 folderIconBitmap = MainWebViewActivity.favoriteIconBitmap;
672 // Convert `folderIconBitmap` to a byte array. `0` is for lossless compression (the only option for a PNG).
673 ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream();
674 folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream);
675 byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray();
677 // Move all the bookmarks down one in the display order.
678 for (int i = 0; i < bookmarksListView.getCount(); i++) {
679 int databaseId = (int) bookmarksListView.getItemIdAtPosition(i);
680 bookmarksDatabaseHelper.updateDisplayOrder(databaseId, i + 1);
683 // Create the folder, placing it at the top of the ListView
684 bookmarksDatabaseHelper.createFolder(folderNameString, 0, currentFolder, folderIconByteArray);
686 // Refresh the ListView.
687 updateBookmarksListView(currentFolder);
691 public void onSaveEditBookmark(AppCompatDialogFragment dialogFragment) {
692 // Get a long array with the the databaseId of the selected bookmark and convert it to an `int`.
693 long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
694 int selectedBookmarkDatabaseId = (int) selectedBookmarksLongArray[0];
696 // Get the `EditText`s from the `editBookmarkDialogFragment` and extract the strings.
697 EditText editBookmarkNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.edit_bookmark_name_edittext);
698 String bookmarkNameString = editBookmarkNameEditText.getText().toString();
699 EditText editBookmarkUrlEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.edit_bookmark_url_edittext);
700 String bookmarkUrlString = editBookmarkUrlEditText.getText().toString();
702 // Get `edit_bookmark_current_icon_radiobutton`.
703 RadioButton currentBookmarkIconRadioButton = (RadioButton) dialogFragment.getDialog().findViewById(R.id.edit_bookmark_current_icon_radiobutton);
705 if (currentBookmarkIconRadioButton.isChecked()) { // Update the bookmark without changing the favorite icon.
706 bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString);
707 } else { // Update the bookmark using the `WebView` favorite icon.
708 ByteArrayOutputStream newFavoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
709 MainWebViewActivity.favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFavoriteIconByteArrayOutputStream);
710 byte[] newFavoriteIconByteArray = newFavoriteIconByteArrayOutputStream.toByteArray();
712 // Update the bookmark and the favorite icon.
713 bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, newFavoriteIconByteArray);
716 // Close the contextual action mode.
717 contextualActionMode.finish();
719 // Refresh the `ListView`. `setSelection` scrolls to the previous `ListView` position.
720 updateBookmarksListView(currentFolder);
721 bookmarksListView.setSelection(bookmarksListViewPosition);
725 public void onSaveEditBookmarkFolder(AppCompatDialogFragment dialogFragment) {
726 // Get the new folder name.
727 EditText editFolderNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.edit_folder_name_edittext);
728 String newFolderNameString = editFolderNameEditText.getText().toString();
730 // Get a long array with the the database ID of the selected folder and convert it to an `int`.
731 long[] selectedFolderLongArray = bookmarksListView.getCheckedItemIds();
732 int selectedFolderDatabaseId = (int) selectedFolderLongArray[0];
734 // Get the `RadioButtons` from the `Dialog`.
735 RadioButton currentFolderIconRadioButton = (RadioButton) dialogFragment.getDialog().findViewById(R.id.edit_folder_current_icon_radiobutton);
736 RadioButton defaultFolderIconRadioButton = (RadioButton) dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon_radiobutton);
738 // Check if the favorite icon has changed.
739 if (currentFolderIconRadioButton.isChecked()) { // Only the name has changed.
740 // Update the name in the database.
741 bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, oldFolderNameString, newFolderNameString);
742 } else if (!currentFolderIconRadioButton.isChecked() && newFolderNameString.equals(oldFolderNameString)) { // Only the icon has changed.
743 // Get the new folder icon `Bitmap`.
744 Bitmap folderIconBitmap;
745 if (defaultFolderIconRadioButton.isChecked()) {
746 // Get the default folder icon `ImageView` from the `Drawable` and convert it to a `Bitmap`.
747 ImageView folderIconImageView = (ImageView) dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon);
748 Drawable folderIconDrawable = folderIconImageView.getDrawable();
749 BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
750 folderIconBitmap = folderIconBitmapDrawable.getBitmap();
751 } else { // Get the web page icon `ImageView` from the `Dialog`.
752 folderIconBitmap = MainWebViewActivity.favoriteIconBitmap;
755 // Convert the folder `Bitmap` to a byte array. `0` is for lossless compression (the only option for a PNG).
756 ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream();
757 folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream);
758 byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray();
760 // Update the folder icon in the database.
761 bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, folderIconByteArray);
762 } else { // The folder icon and the name have changed.
763 // Get the new folder icon `Bitmap`.
764 Bitmap folderIconBitmap;
765 if (defaultFolderIconRadioButton.isChecked()) {
766 // Get the default folder icon `ImageView` from the `Drawable` and convert it to a `Bitmap`.
767 ImageView folderIconImageView = (ImageView) dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon);
768 Drawable folderIconDrawable = folderIconImageView.getDrawable();
769 BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
770 folderIconBitmap = folderIconBitmapDrawable.getBitmap();
771 } else { // Get the web page icon `ImageView` from the `Dialog`.
772 folderIconBitmap = MainWebViewActivity.favoriteIconBitmap;
775 // Convert the folder `Bitmap` to a byte array. `0` is for lossless compression (the only option for a PNG).
776 ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream();
777 folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream);
778 byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray();
780 // Update the folder name and icon in the database.
781 bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, oldFolderNameString, newFolderNameString, folderIconByteArray);
784 // Refresh the `ListView`. `setSelection` scrolls to the previous `ListView` position.
785 updateBookmarksListView(currentFolder);
786 bookmarksListView.setSelection(bookmarksListViewPosition);
788 // Close the contextual action mode.
789 contextualActionMode.finish();
793 public void onMoveToFolder(AppCompatDialogFragment dialogFragment) {
794 // Get the new folder database id.
795 ListView folderListView = (ListView) dialogFragment.getDialog().findViewById(R.id.move_to_folder_listview);
796 long[] newFolderLongArray = folderListView.getCheckedItemIds();
798 // Get the new folder database ID.
799 int newFolderDatabaseId = (int) newFolderLongArray[0];
801 // Instantiate `newFolderName`.
802 String newFolderName;
804 if (newFolderDatabaseId == 0) {
805 // The new folder is the home folder, represented as `""` in the database.
808 // Get the new folder name from the database.
809 newFolderName = bookmarksDatabaseHelper.getFolderName(newFolderDatabaseId);
812 // Get a long array with the the database ID of the selected bookmarks.
813 long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
814 for (long databaseIdLong : selectedBookmarksLongArray) {
815 // Get `databaseIdInt` for each selected bookmark.
816 int databaseIdInt = (int) databaseIdLong;
818 // Move the selected bookmark to the new folder.
819 bookmarksDatabaseHelper.moveToFolder(databaseIdInt, newFolderName);
822 // Refresh the `ListView`.
823 updateBookmarksListView(currentFolder);
825 // Close the contextual app bar.
826 contextualActionMode.finish();
829 private void updateBookmarksListView(String folderName) {
830 // Get a `Cursor` with the current contents of the bookmarks database.
831 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(folderName);
833 // Setup `bookmarksCursorAdapter` with `this` context. `false` disables `autoRequery`.
834 CursorAdapter bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
836 public View newView(Context context, Cursor cursor, ViewGroup parent) {
837 // Inflate the individual item layout. `false` does not attach it to the root.
838 return getLayoutInflater().inflate(R.layout.bookmarks_item_linearlayout, parent, false);
842 public void bindView(View view, Context context, Cursor cursor) {
843 // Get the favorite icon byte array from the `Cursor`.
844 byte[] favoriteIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON));
846 // Convert the byte array to a `Bitmap` beginning at the first byte and ending at the last.
847 Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
849 // Display the bitmap in `bookmarkFavoriteIcon`.
850 ImageView bookmarkFavoriteIcon = (ImageView) view.findViewById(R.id.bookmark_favorite_icon);
851 bookmarkFavoriteIcon.setImageBitmap(favoriteIconBitmap);
854 // Get the bookmark name from the cursor and display it in `bookmarkNameTextView`.
855 String bookmarkNameString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
856 TextView bookmarkNameTextView = (TextView) view.findViewById(R.id.bookmark_name);
857 bookmarkNameTextView.setText(bookmarkNameString);
859 // Make the font bold for folders.
860 if (cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1) {
861 bookmarkNameTextView.setTypeface(Typeface.DEFAULT_BOLD);
862 } else { // Reset the font to default for normal bookmarks.
863 bookmarkNameTextView.setTypeface(Typeface.DEFAULT);
868 // Update the ListView.
869 bookmarksListView.setAdapter(bookmarksCursorAdapter);
871 // Set the AppBar title.
872 if (currentFolder.isEmpty()) {
873 appBar.setTitle(R.string.bookmarks);
875 appBar.setTitle(currentFolder);
879 private void updateBookmarksListViewExcept(long[] exceptIdLongArray, String folderName) {
880 // Get a `Cursor` with the current contents of the bookmarks database except for the specified database IDs.
881 bookmarksCursor = bookmarksDatabaseHelper.getBookmarksCursorExcept(exceptIdLongArray, folderName);
883 // Setup `bookmarksCursorAdapter` with `this` context. `false` disables autoRequery.
884 CursorAdapter bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
886 public View newView(Context context, Cursor cursor, ViewGroup parent) {
887 // Inflate the individual item layout. `false` does not attach it to the root.
888 return getLayoutInflater().inflate(R.layout.bookmarks_item_linearlayout, parent, false);
892 public void bindView(View view, Context context, Cursor cursor) {
893 // Get the favorite icon byte array from the cursor.
894 byte[] favoriteIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON));
896 // Convert the byte array to a Bitmap beginning at the first byte and ending at the last.
897 Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
899 // Display the bitmap in `bookmarkFavoriteIcon`.
900 ImageView bookmarkFavoriteIcon = (ImageView) view.findViewById(R.id.bookmark_favorite_icon);
901 bookmarkFavoriteIcon.setImageBitmap(favoriteIconBitmap);
904 // Get the bookmark name from the cursor and display it in `bookmarkNameTextView`.
905 String bookmarkNameString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
906 TextView bookmarkNameTextView = (TextView) view.findViewById(R.id.bookmark_name);
907 bookmarkNameTextView.setText(bookmarkNameString);
909 // Make the font bold for folders.
910 if (cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1) {
911 // The first argument is `null` because we don't want to change the font.
912 bookmarkNameTextView.setTypeface(null, Typeface.BOLD);
913 } else { // Reset the font to default.
914 bookmarkNameTextView.setTypeface(Typeface.DEFAULT);
919 // Update the `ListView`.
920 bookmarksListView.setAdapter(bookmarksCursorAdapter);
923 private void deleteBookmarkFolderContents(int databaseId) {
924 // Get the name of the folder.
925 String folderName = bookmarksDatabaseHelper.getFolderName(databaseId);
927 // Get the contents of the folder.
928 Cursor folderCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(folderName);
930 for (int i = 0; i < folderCursor.getCount(); i++) {
931 // Move `folderCursor` to the current row.
932 folderCursor.moveToPosition(i);
934 // Get the database ID of the item.
935 int itemDatabaseId = folderCursor.getInt(folderCursor.getColumnIndex(BookmarksDatabaseHelper._ID));
937 // If this is a folder, delete the contents first.
938 if (bookmarksDatabaseHelper.isFolder(itemDatabaseId)) {
939 deleteBookmarkFolderContents(itemDatabaseId);
942 bookmarksDatabaseHelper.deleteBookmark(itemDatabaseId);