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;
22 import android.app.Activity;
23 import android.app.DialogFragment;
24 import android.content.Context;
25 import android.content.Intent;
26 import android.database.Cursor;
27 import android.graphics.Bitmap;
28 import android.graphics.BitmapFactory;
29 import android.graphics.Typeface;
30 import android.graphics.drawable.BitmapDrawable;
31 import android.graphics.drawable.Drawable;
32 import android.os.Bundle;
33 import android.support.design.widget.FloatingActionButton;
34 import android.support.design.widget.Snackbar;
35 import android.support.v4.app.NavUtils;
36 import android.support.v7.app.ActionBar;
37 import android.support.v7.app.AppCompatActivity;
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 java.io.ByteArrayOutputStream;
56 public class BookmarksActivity extends AppCompatActivity implements CreateBookmark.CreateBookmarkListener,
57 CreateBookmarkFolder.CreateBookmarkFolderListener, EditBookmark.EditBookmarkListener,
58 EditBookmarkFolder.EditBookmarkFolderListener, MoveToFolder.MoveToFolderListener {
59 // `bookmarksDatabaseHandler` is public static so it can be accessed from `EditBookmark` and `MoveToFolder`. It is also used in `onCreate()`,
60 // `onCreateBookmarkCreate()`, `updateBookmarksListView()`, and `updateBookmarksListViewExcept()`.
61 public static BookmarksDatabaseHandler bookmarksDatabaseHandler;
63 // `bookmarksListView` is public static so it can be accessed from `EditBookmark`.
64 // It is also used in `onCreate()`, `updateBookmarksListView()`, and `updateBookmarksListViewExcept()`.
65 public static ListView bookmarksListView;
67 // `currentFolder` is public static so it can be accessed from `MoveToFolder`.
68 // It is used in `onCreate`, `onOptionsItemSelected()`, `onCreateBookmarkCreate`, `onCreateBookmarkFolderCreate`, and `onEditBookmarkSave`.
69 public static String currentFolder;
71 // `contextualActionMode` is used in `onCreate()` and `onEditBookmarkSave()`.
72 private ActionMode contextualActionMode;
74 // `selectedBookmarkPosition` is used in `onCreate()` and `onEditBookarkSave()`.
75 private int selectedBookmarkPosition;
77 // `appBar` is used in `onCreate()` and `updateBookmarksListView()`.
78 private ActionBar appBar;
80 // `bookmarksCursor` is used in `onCreate()`, `updateBookmarksListView()`, and `updateBookmarksListViewExcept()`.
81 private Cursor bookmarksCursor;
83 // `oldFolderName` is used in `onCreate()` and `onEditBookmarkFolderSave()`.
84 private String oldFolderNameString;
87 protected void onCreate(Bundle savedInstanceState) {
88 super.onCreate(savedInstanceState);
89 setContentView(R.layout.bookmarks_coordinatorlayout);
91 // We need to use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
92 final Toolbar bookmarksAppBar = (Toolbar) findViewById(R.id.bookmarks_toolbar);
93 setSupportActionBar(bookmarksAppBar);
95 // Display the home arrow on `SupportActionBar`.
96 appBar = getSupportActionBar();
97 assert appBar != null;// This assert removes the incorrect warning in Android Studio on the following line that appBar might be null.
98 appBar.setDisplayHomeAsUpEnabled(true);
101 // Initialize the database handler and the ListView.
102 // `this` specifies the context. The two `null`s do not specify the database name or a `CursorFactory`.
103 // The `0` is to specify a database version, but that is set instead using a constant in `BookmarksDatabaseHandler`.
104 bookmarksDatabaseHandler = new BookmarksDatabaseHandler(this, null, null, 0);
105 bookmarksListView = (ListView) findViewById(R.id.bookmarks_listview);
107 // Set currentFolder to the home folder, which is null in the database.
110 // Display the bookmarks in the ListView.
111 updateBookmarksListView(currentFolder);
113 // Set a listener so that tapping a list item loads the URL. We need to store the activity
114 // in a variable so that we can return to the parent activity after loading the URL.
115 final Activity bookmarksActivity = this;
116 bookmarksListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
118 public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
119 // Convert the id from long to int to match the format of the bookmarks database.
120 int databaseID = (int) id;
122 // Get the bookmark `Cursor` and move it to the first row.
123 Cursor bookmarkCursor = bookmarksDatabaseHandler.getBookmarkCursor(databaseID);
124 bookmarkCursor.moveToFirst();
126 // If the bookmark is a folder load its contents into the ListView.
127 if (bookmarkCursor.getInt(bookmarkCursor.getColumnIndex(BookmarksDatabaseHandler.IS_FOLDER)) == 1) {
128 // Update `currentFolder`.
129 currentFolder = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHandler.BOOKMARK_NAME));
131 // Reload the ListView with `currentFolder`.
132 updateBookmarksListView(currentFolder);
133 } else { // Load the URL into `mainWebView`.
134 // Get the bookmark URL and assign it to formattedUrlString.
135 MainWebViewActivity.formattedUrlString = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHandler.BOOKMARK_URL));
137 // Load formattedUrlString and return to the main activity.
138 MainWebViewActivity.mainWebView.loadUrl(MainWebViewActivity.formattedUrlString, MainWebViewActivity.customHeaders);
139 NavUtils.navigateUpFromSameTask(bookmarksActivity);
142 // Close the `Cursor`.
143 bookmarkCursor.close();
147 // `MultiChoiceModeListener` handles long clicks.
148 bookmarksListView.setMultiChoiceModeListener(new AbsListView.MultiChoiceModeListener() {
149 // `moveBookmarkUpMenuItem` is used in `onCreateActionMode()` and `onItemCheckedStateChanged`.
150 MenuItem moveBookmarkUpMenuItem;
152 // `moveBookmarkDownMenuItem` is used in `onCreateActionMode()` and `onItemCheckedStateChanged`.
153 MenuItem moveBookmarkDownMenuItem;
155 // `editBookmarkMenuItem` is used in `onCreateActionMode()` and `onItemCheckedStateChanged`.
156 MenuItem editBookmarkMenuItem;
158 // `selectAllBookmarks` is used in `onCreateActionMode()` and `onItemCheckedStateChanges`.
159 MenuItem selectAllBookmarksMenuItem;
162 public boolean onCreateActionMode(ActionMode mode, Menu menu) {
163 // Inflate the menu for the contextual app bar and set the title.
164 getMenuInflater().inflate(R.menu.bookmarks_context_menu, menu);
167 if (currentFolder.isEmpty()) {
168 // Use `R.string.bookmarks` if we are in the home folder.
169 mode.setTitle(R.string.bookmarks);
170 } else { // Use the current folder name as the title.
171 mode.setTitle(currentFolder);
174 // Get a handle for MenuItems we need to selectively disable.
175 moveBookmarkUpMenuItem = menu.findItem(R.id.move_bookmark_up);
176 moveBookmarkDownMenuItem = menu.findItem(R.id.move_bookmark_down);
177 editBookmarkMenuItem = menu.findItem(R.id.edit_bookmark);
178 selectAllBookmarksMenuItem = menu.findItem(R.id.context_menu_select_all_bookmarks);
180 // Get a handle for `contextualActionMode` so we can close it programatically.
181 contextualActionMode = mode;
187 public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
192 public void onItemCheckedStateChanged(ActionMode mode, int position, long id, boolean checked) {
193 // Get an array of the selected bookmarks.
194 long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
196 // Calculate the number of selected bookmarks.
197 int numberOfSelectedBookmarks = selectedBookmarksLongArray.length;
199 // Sometimes Android forgets to close the contextual app bar when all the items are deselected.
200 if (numberOfSelectedBookmarks == 0) {
204 // List the number of selected bookmarks in the subtitle.
205 mode.setSubtitle(numberOfSelectedBookmarks + " " + getString(R.string.selected));
207 if (numberOfSelectedBookmarks == 1) {
208 // Show the `Move Up`, `Move Down`, and `Edit` option only if 1 bookmark is selected.
209 moveBookmarkUpMenuItem.setVisible(true);
210 moveBookmarkDownMenuItem.setVisible(true);
211 editBookmarkMenuItem.setVisible(true);
213 // Get the database IDs for the bookmarks.
214 int selectedBookmarkDatabaseId = (int) selectedBookmarksLongArray[0];
215 int firstBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(0);
216 // bookmarksListView is 0 indexed.
217 int lastBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(bookmarksListView.getCount() - 1);
219 // Disable `moveBookmarkUpMenuItem` if the selected bookmark is at the top of the ListView.
220 if (selectedBookmarkDatabaseId == firstBookmarkDatabaseId) {
221 moveBookmarkUpMenuItem.setEnabled(false);
222 moveBookmarkUpMenuItem.setIcon(R.drawable.move_bookmark_up_disabled);
223 } else { // Otherwise enable `moveBookmarkUpMenuItem`.
224 moveBookmarkUpMenuItem.setEnabled(true);
225 moveBookmarkUpMenuItem.setIcon(R.drawable.move_bookmark_up_enabled);
228 // Disable `moveBookmarkDownMenuItem` if the selected bookmark is at the bottom of the ListView.
229 if (selectedBookmarkDatabaseId == lastBookmarkDatabaseId) {
230 moveBookmarkDownMenuItem.setEnabled(false);
231 moveBookmarkDownMenuItem.setIcon(R.drawable.move_bookmark_down_disabled);
232 } else { // Otherwise enable `moveBookmarkDownMenuItem`.
233 moveBookmarkDownMenuItem.setEnabled(true);
234 moveBookmarkDownMenuItem.setIcon(R.drawable.move_bookmark_down_enabled);
236 } else { // Hide the MenuItems because more than one bookmark is selected.
237 moveBookmarkUpMenuItem.setVisible(false);
238 moveBookmarkDownMenuItem.setVisible(false);
239 editBookmarkMenuItem.setVisible(false);
242 // Do not show `Select All` if all the bookmarks are already checked.
243 if (bookmarksListView.getCheckedItemIds().length == bookmarksListView.getCount()) {
244 selectAllBookmarksMenuItem.setVisible(false);
246 selectAllBookmarksMenuItem.setVisible(true);
251 public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
252 int menuItemId = item.getItemId();
254 // `numberOfBookmarks` is used in `R.id.move_bookmark_up_enabled`, `R.id.move_bookmark_down_enabled`, and `R.id.context_menu_select_all_bookmarks`.
255 int numberOfBookmarks;
257 // `selectedBookmarkLongArray` is used in `R.id.move_bookmark_up`, `R.id.move_bookmark_down`, and `R.id.edit_bookmark`.
258 long[]selectedBookmarkLongArray;
259 // `selectedBookmarkDatabaseId` is used in `R.id.move_bookmark_up`, `R.id.move_bookmark_down`, and `R.id.edit_bookmark`.
260 int selectedBookmarkDatabaseId;
261 // `selectedBookmarkNewPosition` is used in `R.id.move_bookmark_up` and `R.id.move_bookmark_down`.
262 int selectedBookmarkNewPosition;
263 // `bookmarkPositionSparseBooleanArray` is used in `R.id.edit_bookmark` and `R.id.delete_bookmark`.
264 SparseBooleanArray bookmarkPositionSparseBooleanArray;
266 switch (menuItemId) {
267 case R.id.move_bookmark_up:
268 // Get the selected bookmark database ID.
269 selectedBookmarkLongArray = bookmarksListView.getCheckedItemIds();
270 selectedBookmarkDatabaseId = (int) selectedBookmarkLongArray[0];
272 // Initialize `selectedBookmarkNewPosition`.
273 selectedBookmarkNewPosition = 0;
275 for (int i = 0; i < bookmarksListView.getCount(); i++) {
276 int databaseId = (int) bookmarksListView.getItemIdAtPosition(i);
277 int nextBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(i + 1);
279 if (databaseId == selectedBookmarkDatabaseId || nextBookmarkDatabaseId == selectedBookmarkDatabaseId) {
280 if (databaseId == selectedBookmarkDatabaseId) {
281 // Move the selected bookmark up one and store the new bookmark position.
282 bookmarksDatabaseHandler.updateBookmarkDisplayOrder(databaseId, i - 1);
283 selectedBookmarkNewPosition = i - 1;
284 } else { // Move the bookmark above the selected bookmark down one.
285 bookmarksDatabaseHandler.updateBookmarkDisplayOrder(databaseId, i + 1);
288 // Reset the rest of the bookmarks' DISPLAY_ORDER to match the position in the ListView.
289 // This isn't necessary, but it clears out any stray values that might have crept into the database.
290 bookmarksDatabaseHandler.updateBookmarkDisplayOrder(databaseId, i);
294 // Refresh the ListView.
295 updateBookmarksListView(currentFolder);
297 // Select the previously selected bookmark in the new location.
298 bookmarksListView.setItemChecked(selectedBookmarkNewPosition, true);
300 bookmarksListView.setSelection(selectedBookmarkNewPosition - 5);
304 case R.id.move_bookmark_down:
305 // Get the selected bookmark database ID.
306 selectedBookmarkLongArray = bookmarksListView.getCheckedItemIds();
307 selectedBookmarkDatabaseId = (int) selectedBookmarkLongArray[0];
309 // Initialize `selectedBookmarkNewPosition`.
310 selectedBookmarkNewPosition = 0;
312 for (int i = 0; i <bookmarksListView.getCount(); i++) {
313 int databaseId = (int) bookmarksListView.getItemIdAtPosition(i);
314 int previousBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(i - 1);
316 if (databaseId == selectedBookmarkDatabaseId || previousBookmarkDatabaseId == selectedBookmarkDatabaseId) {
317 if (databaseId == selectedBookmarkDatabaseId) {
318 // Move the selected bookmark down one and store the new bookmark position.
319 bookmarksDatabaseHandler.updateBookmarkDisplayOrder(databaseId, i + 1);
320 selectedBookmarkNewPosition = i + 1;
321 } else { // Move the bookmark below the selected bookmark up one.
322 bookmarksDatabaseHandler.updateBookmarkDisplayOrder(databaseId, i - 1);
325 // Reset the rest of the bookmark' DISPLAY_ORDER to match the position in the ListView.
326 // This isn't necessary, but it clears out any stray values that might have crept into the database.
327 bookmarksDatabaseHandler.updateBookmarkDisplayOrder(databaseId, i);
331 // Refresh the ListView.
332 updateBookmarksListView(currentFolder);
334 // Select the previously selected bookmark in the new location.
335 bookmarksListView.setItemChecked(selectedBookmarkNewPosition, true);
337 bookmarksListView.setSelection(selectedBookmarkNewPosition - 5);
340 case R.id.move_to_folder:
341 // Show the `MoveToFolder` `AlertDialog` and name the instance `@string/move_to_folder
342 DialogFragment moveToFolderDialog = new MoveToFolder();
343 moveToFolderDialog.show(getFragmentManager(), getResources().getString(R.string.move_to_folder));
346 case R.id.edit_bookmark:
347 // Get a handle for `selectedBookmarkPosition` so we can scroll to it after refreshing the ListView.
348 bookmarkPositionSparseBooleanArray = bookmarksListView.getCheckedItemPositions();
349 for (int i = 0; i < bookmarkPositionSparseBooleanArray.size(); i++) {
350 // Find the bookmark that is selected and save the position to `selectedBookmarkPosition`.
351 if (bookmarkPositionSparseBooleanArray.valueAt(i))
352 selectedBookmarkPosition = bookmarkPositionSparseBooleanArray.keyAt(i);
355 // Move to the selected database ID and find out if it is a folder.
356 bookmarksCursor.moveToPosition(selectedBookmarkPosition);
357 boolean isFolder = (bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHandler.IS_FOLDER)) == 1);
360 // Save the current folder name.
361 oldFolderNameString = bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHandler.BOOKMARK_NAME));
363 // Show the `EditBookmarkFolder` `AlertDialog` and name the instance `@string/edit_folder`.
364 DialogFragment editFolderDialog = new EditBookmarkFolder();
365 editFolderDialog.show(getFragmentManager(), getResources().getString(R.string.edit_folder));
367 // Show the `EditBookmark` `AlertDialog` and name the instance `@string/edit_bookmark`.
368 DialogFragment editBookmarkDialog = new EditBookmark();
369 editBookmarkDialog.show(getFragmentManager(), getResources().getString(R.string.edit_bookmark));
373 case R.id.delete_bookmark:
374 // Get an array of the selected rows.
375 final long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
377 // Get a handle for `selectedBookmarkPosition` so we can scroll to it after refreshing the ListView.
378 bookmarkPositionSparseBooleanArray = bookmarksListView.getCheckedItemPositions();
379 for (int i = 0; i < bookmarkPositionSparseBooleanArray.size(); i++) {
380 // Find the bookmark that is selected and save the position to `selectedBookmarkPosition`.
381 if (bookmarkPositionSparseBooleanArray.valueAt(i))
382 selectedBookmarkPosition = bookmarkPositionSparseBooleanArray.keyAt(i);
385 updateBookmarksListViewExcept(selectedBookmarksLongArray, currentFolder);
387 // Scroll to where the deleted bookmark was located.
388 bookmarksListView.setSelection(selectedBookmarkPosition - 5);
390 String snackbarMessage;
392 // Determine how many items are in the array and prepare an appropriate Snackbar message.
393 if (selectedBookmarksLongArray.length == 1) {
394 snackbarMessage = getString(R.string.one_bookmark_deleted);
396 snackbarMessage = selectedBookmarksLongArray.length + " " + getString(R.string.bookmarks_deleted);
400 Snackbar.make(findViewById(R.id.bookmarks_coordinatorlayout), snackbarMessage, Snackbar.LENGTH_LONG)
401 .setAction(R.string.undo, new View.OnClickListener() {
403 public void onClick(View view) {
404 // Do nothing because everything will be handled by `onDismissed()` below.
407 .setCallback(new Snackbar.Callback() {
409 public void onDismissed(Snackbar snackbar, int event) {
411 // The user pushed the "Undo" button.
412 case Snackbar.Callback.DISMISS_EVENT_ACTION:
413 // Refresh the ListView to show the rows again.
414 updateBookmarksListView(currentFolder);
416 // Scroll to where the deleted bookmark was located.
417 bookmarksListView.setSelection(selectedBookmarkPosition - 5);
421 // The Snackbar was dismissed without the "Undo" button being pushed.
423 // Delete each selected row.
424 for (long databaseIdLong : selectedBookmarksLongArray) {
425 // Convert `databaseIdLong` to an int.
426 int databaseIdInt = (int) databaseIdLong;
428 if (bookmarksDatabaseHandler.isFolder(databaseIdInt)) {
429 deleteBookmarkFolderContents(databaseIdInt);
432 // Delete `databaseIdInt`.
433 bookmarksDatabaseHandler.deleteBookmark(databaseIdInt);
441 // Close the contextual app bar.
445 case R.id.context_menu_select_all_bookmarks:
446 numberOfBookmarks = bookmarksListView.getCount();
448 for (int i = 0; i < numberOfBookmarks; i++) {
449 bookmarksListView.setItemChecked(i, true);
453 // Consume the click.
458 public void onDestroyActionMode(ActionMode mode) {
463 // Set a FloatingActionButton for creating new bookmarks.
464 FloatingActionButton createBookmarkFAB = (FloatingActionButton) findViewById(R.id.create_bookmark_fab);
465 assert createBookmarkFAB != null;
466 createBookmarkFAB.setOnClickListener(new View.OnClickListener() {
468 public void onClick(View view) {
469 // Show the `CreateBookmark` `AlertDialog` and name the instance `@string/create_bookmark`.
470 DialogFragment createBookmarkDialog = new CreateBookmark();
471 createBookmarkDialog.show(getFragmentManager(), getResources().getString(R.string.create_bookmark));
477 public boolean onCreateOptionsMenu(Menu menu) {
479 getMenuInflater().inflate(R.menu.bookmarks_options_menu, menu);
485 public boolean onPrepareOptionsMenu(Menu menu) {
486 super.onPrepareOptionsMenu(menu);
492 public boolean onOptionsItemSelected(MenuItem menuItem) {
493 int menuItemId = menuItem.getItemId();
495 switch (menuItemId) {
496 case android.R.id.home:
497 // Exit BookmarksActivity if currently at the home folder.
498 if (currentFolder.isEmpty()) {
499 NavUtils.navigateUpFromSameTask(this);
500 } else { // Navigate up one folder.
501 // Place the former parent folder in `currentFolder`.
502 currentFolder = bookmarksDatabaseHandler.getParentFolder(currentFolder);
504 updateBookmarksListView(currentFolder);
508 case R.id.create_folder:
509 // Show the `CreateBookmarkFolder` `AlertDialog` and name the instance `@string/create_folder`.
510 DialogFragment createBookmarkFolderDialog = new CreateBookmarkFolder();
511 createBookmarkFolderDialog.show(getFragmentManager(), getResources().getString(R.string.create_folder));
514 case R.id.options_menu_select_all_bookmarks:
515 int numberOfBookmarks = bookmarksListView.getCount();
517 for (int i = 0; i < numberOfBookmarks; i++) {
518 bookmarksListView.setItemChecked(i, true);
522 case R.id.bookmarks_database_view:
523 // Launch `BookmarksDatabaseViewActivity`.
524 Intent bookmarksDatabaseViewIntent = new Intent(this, BookmarksDatabaseViewActivity.class);
525 startActivity(bookmarksDatabaseViewIntent);
532 public void onCreateBookmark(DialogFragment dialogFragment) {
533 // Get the `EditText`s from the `createBookmarkDialogFragment` and extract the strings.
534 EditText createBookmarkNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.create_bookmark_name_edittext);
535 String bookmarkNameString = createBookmarkNameEditText.getText().toString();
536 EditText createBookmarkUrlEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.create_bookmark_url_edittext);
537 String bookmarkUrlString = createBookmarkUrlEditText.getText().toString();
539 // Convert the favoriteIcon Bitmap to a byte array.
540 ByteArrayOutputStream favoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
541 // `0` is for lossless compression (the only option for a PNG).
542 MainWebViewActivity.favoriteIcon.compress(Bitmap.CompressFormat.PNG, 0, favoriteIconByteArrayOutputStream);
543 byte[] favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray();
545 // Display the new bookmark below the current items in the (0 indexed) list.
546 int newBookmarkDisplayOrder = bookmarksListView.getCount();
548 // Create the bookmark.
549 bookmarksDatabaseHandler.createBookmark(bookmarkNameString, bookmarkUrlString, newBookmarkDisplayOrder, currentFolder, favoriteIconByteArray);
551 // Refresh the ListView. `setSelection` scrolls to the bottom of the list.
552 updateBookmarksListView(currentFolder);
553 bookmarksListView.setSelection(newBookmarkDisplayOrder);
557 public void onCreateBookmarkFolder(DialogFragment dialogFragment) {
558 // Get `create_folder_name_edit_text` and extract the string.
559 EditText createFolderNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.create_folder_name_edittext);
560 String folderNameString = createFolderNameEditText.getText().toString();
562 // Check to see if the folder already exists.
563 Cursor bookmarkFolderCursor = bookmarksDatabaseHandler.getFolderCursor(folderNameString);
564 int existingFoldersWithNewName = bookmarkFolderCursor.getCount();
565 bookmarkFolderCursor.close();
566 if (folderNameString.isEmpty() || (existingFoldersWithNewName > 0)) {
567 String cannotCreateFolder = getResources().getString(R.string.cannot_create_folder) + " \"" + folderNameString + "\"";
568 Snackbar.make(findViewById(R.id.bookmarks_coordinatorlayout), cannotCreateFolder, Snackbar.LENGTH_INDEFINITE).show();
569 } else { // Create the folder.
570 // Get the new folder icon `Bitmap`.
571 RadioButton defaultFolderIconRadioButton = (RadioButton) dialogFragment.getDialog().findViewById(R.id.create_folder_default_icon_radiobuttion);
572 Bitmap folderIconBitmap;
573 if (defaultFolderIconRadioButton.isChecked()) {
574 // Get the default folder icon `ImageView` from the `Dialog` and convert it to a `Bitmap`.
575 ImageView folderIconImageView = (ImageView) dialogFragment.getDialog().findViewById(R.id.create_folder_default_icon);
576 Drawable folderIconDrawable = folderIconImageView.getDrawable();
577 BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
578 folderIconBitmap = folderIconBitmapDrawable.getBitmap();
579 } else { // Assign `favoriteIcon` from the `WebView`.
580 folderIconBitmap = MainWebViewActivity.favoriteIcon;
583 // Convert `folderIconBitmap` to a byte array. `0` is for lossless compression (the only option for a PNG).
584 ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream();
585 folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream);
586 byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray();
588 // Move all the bookmarks down one in the display order.
589 for (int i = 0; i < bookmarksListView.getCount(); i++) {
590 int databaseId = (int) bookmarksListView.getItemIdAtPosition(i);
591 bookmarksDatabaseHandler.updateBookmarkDisplayOrder(databaseId, i + 1);
594 // Create the folder, placing it at the top of the ListView
595 bookmarksDatabaseHandler.createFolder(folderNameString, 0, currentFolder, folderIconByteArray);
597 // Refresh the ListView.
598 updateBookmarksListView(currentFolder);
603 public void onSaveEditBookmark(DialogFragment dialogFragment) {
604 // Get a long array with the the databaseId of the selected bookmark and convert it to an `int`.
605 long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
606 int selectedBookmarkDatabaseId = (int) selectedBookmarksLongArray[0];
608 // Get the `EditText`s from the `editBookmarkDialogFragment` and extract the strings.
609 EditText editBookmarkNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.edit_bookmark_name_edittext);
610 String bookmarkNameString = editBookmarkNameEditText.getText().toString();
611 EditText editBookmarkUrlEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.edit_bookmark_url_edittext);
612 String bookmarkUrlString = editBookmarkUrlEditText.getText().toString();
614 // Get `edit_bookmark_current_icon_radiobutton`.
615 RadioButton currentBookmarkIconRadioButton = (RadioButton) dialogFragment.getDialog().findViewById(R.id.edit_bookmark_current_icon_radiobutton);
617 if (currentBookmarkIconRadioButton.isChecked()) { // Update the bookmark without changing the favorite icon.
618 bookmarksDatabaseHandler.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString);
619 } else { // Update the bookmark using the `WebView` favorite icon.
620 ByteArrayOutputStream newFavoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
621 MainWebViewActivity.favoriteIcon.compress(Bitmap.CompressFormat.PNG, 0, newFavoriteIconByteArrayOutputStream);
622 byte[] newFavoriteIconByteArray = newFavoriteIconByteArrayOutputStream.toByteArray();
624 // Update the bookmark and the favorite icon.
625 bookmarksDatabaseHandler.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, newFavoriteIconByteArray);
628 // Close the contextual action mode.
629 contextualActionMode.finish();
631 // Refresh the `ListView`. `setSelection` scrolls to the position of the bookmark that was edited.
632 updateBookmarksListView(currentFolder);
633 bookmarksListView.setSelection(selectedBookmarkPosition);
637 public void onSaveEditBookmarkFolder(DialogFragment dialogFragment) {
638 // Get the new folder name.
639 EditText editFolderNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.edit_folder_name_edittext);
640 String newFolderNameString = editFolderNameEditText.getText().toString();
642 // Check to see if the new folder name is unique.
643 Cursor bookmarkFolderCursor = bookmarksDatabaseHandler.getFolderCursor(newFolderNameString);
644 int existingFoldersWithNewName = bookmarkFolderCursor.getCount();
645 bookmarkFolderCursor.close();
646 if ( ((existingFoldersWithNewName == 0) || newFolderNameString.equals(oldFolderNameString)) && !newFolderNameString.isEmpty()) {
647 // Get a long array with the the database ID of the selected folder and convert it to an `int`.
648 long[] selectedFolderLongArray = bookmarksListView.getCheckedItemIds();
649 int selectedFolderDatabaseId = (int) selectedFolderLongArray[0];
651 // Get the `RadioButtons` from the `Dialog`.
652 RadioButton currentFolderIconRadioButton = (RadioButton) dialogFragment.getDialog().findViewById(R.id.edit_folder_current_icon_radiobutton);
653 RadioButton defaultFolderIconRadioButton = (RadioButton) dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon_radiobutton);
655 // Check if the favorite icon has changed.
656 if (currentFolderIconRadioButton.isChecked()) {
657 // Update the folder name if it has changed without modifying the favorite icon.
658 if (!newFolderNameString.equals(oldFolderNameString)) {
659 bookmarksDatabaseHandler.updateFolder(selectedFolderDatabaseId, oldFolderNameString, newFolderNameString);
661 // Refresh the `ListView`. `setSelection` scrolls to the position of the folder that was edited.
662 updateBookmarksListView(currentFolder);
663 bookmarksListView.setSelection(selectedBookmarkPosition);
665 } else { // Update the folder icon.
666 // Get the new folder icon `Bitmap`.
667 Bitmap folderIconBitmap;
668 if (defaultFolderIconRadioButton.isChecked()) {
669 // Get the default folder icon `ImageView` from the `Drawable` and convert it to a `Bitmap`.
670 ImageView folderIconImageView = (ImageView) dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon);
671 Drawable folderIconDrawable = folderIconImageView.getDrawable();
672 BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
673 folderIconBitmap = folderIconBitmapDrawable.getBitmap();
674 } else { // Get the web page icon `ImageView` from the `Dialog`.
675 folderIconBitmap = MainWebViewActivity.favoriteIcon;
678 // Convert the folder `Bitmap` to a byte array. `0` is for lossless compression (the only option for a PNG).
679 ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream();
680 folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream);
681 byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray();
683 bookmarksDatabaseHandler.updateFolder(selectedFolderDatabaseId, oldFolderNameString, newFolderNameString, folderIconByteArray);
685 // Refresh the `ListView`. `setSelection` scrolls to the position of the folder that was edited.
686 updateBookmarksListView(currentFolder);
687 bookmarksListView.setSelection(selectedBookmarkPosition);
689 } else { // Don't edit the folder because the new name is not unique.
690 String cannot_rename_folder = getResources().getString(R.string.cannot_rename_folder) + " \"" + newFolderNameString + "\"";
691 Snackbar.make(findViewById(R.id.bookmarks_coordinatorlayout), cannot_rename_folder, Snackbar.LENGTH_INDEFINITE).show();
694 // Close the contextual action mode.
695 contextualActionMode.finish();
699 public void onCancelMoveToFolder(DialogFragment dialogFragment) {
700 // Do nothing because the user selected `Cancel`.
704 public void onMoveToFolder(DialogFragment dialogFragment) {
705 // Get the new folder database id.
706 ListView folderListView = (ListView) dialogFragment.getDialog().findViewById(R.id.move_to_folder_listview);
707 long[] newFolderLongArray = folderListView.getCheckedItemIds();
709 if (newFolderLongArray.length == 0) { // No new folder was selected.
710 Snackbar.make(findViewById(R.id.bookmarks_coordinatorlayout), getString(R.string.cannot_move_bookmarks), Snackbar.LENGTH_LONG).show();
711 } else { // Move the selected bookmarks.
712 // Get the new folder database ID.
713 int newFolderDatabaseId = (int) newFolderLongArray[0];
715 // Instantiate `newFolderName`.
716 String newFolderName;
718 if (newFolderDatabaseId == 0) {
719 // The new folder is the home folder, represented as `""` in the database.
722 // Get the new folder name from the database.
723 newFolderName = bookmarksDatabaseHandler.getFolderName(newFolderDatabaseId);
726 // Get a long array with the the database ID of the selected bookmarks.
727 long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
728 for (long databaseIdLong : selectedBookmarksLongArray) {
729 // Get `databaseIdInt` for each selected bookmark.
730 int databaseIdInt = (int) databaseIdLong;
732 // Move the selected bookmark to the new folder.
733 bookmarksDatabaseHandler.moveToFolder(databaseIdInt, newFolderName);
736 // Refresh the `ListView`.
737 updateBookmarksListView(currentFolder);
739 // Close the contextual app bar.
740 contextualActionMode.finish();
744 private void updateBookmarksListView(String folderName) {
745 // Get a `Cursor` with the current contents of the bookmarks database.
746 bookmarksCursor = bookmarksDatabaseHandler.getAllBookmarksCursorByDisplayOrder(folderName);
748 // Setup `bookmarksCursorAdapter` with `this` context. `false` disables autoRequery.
749 CursorAdapter bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
751 public View newView(Context context, Cursor cursor, ViewGroup parent) {
752 // Inflate the individual item layout. `false` does not attach it to the root.
753 return getLayoutInflater().inflate(R.layout.bookmarks_item_linearlayout, parent, false);
757 public void bindView(View view, Context context, Cursor cursor) {
758 // Get the favorite icon byte array from the `Cursor`.
759 byte[] favoriteIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHandler.FAVORITE_ICON));
761 // Convert the byte array to a `Bitmap` beginning at the first byte and ending at the last.
762 Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
764 // Display the bitmap in `bookmarkFavoriteIcon`.
765 ImageView bookmarkFavoriteIcon = (ImageView) view.findViewById(R.id.bookmark_favorite_icon);
766 bookmarkFavoriteIcon.setImageBitmap(favoriteIconBitmap);
769 // Get the bookmark name from the cursor and display it in `bookmarkNameTextView`.
770 String bookmarkNameString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHandler.BOOKMARK_NAME));
771 TextView bookmarkNameTextView = (TextView) view.findViewById(R.id.bookmark_name);
772 bookmarkNameTextView.setText(bookmarkNameString);
774 // Make the font bold for folders.
775 if (cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHandler.IS_FOLDER)) == 1) {
776 // The first argument is `null` because we don't want to chage the font.
777 bookmarkNameTextView.setTypeface(null, Typeface.BOLD);
778 } else { // Reset the font to default.
779 bookmarkNameTextView.setTypeface(Typeface.DEFAULT);
784 // Update the ListView.
785 bookmarksListView.setAdapter(bookmarksCursorAdapter);
787 // Set the AppBar title.
788 if (currentFolder.isEmpty()) {
789 appBar.setTitle(R.string.bookmarks);
791 appBar.setTitle(currentFolder);
795 private void updateBookmarksListViewExcept(long[] exceptIdLongArray, String folderName) {
796 // Get a `Cursor` with the current contents of the bookmarks database except for the specified database IDs.
797 bookmarksCursor = bookmarksDatabaseHandler.getBookmarksCursorExcept(exceptIdLongArray, folderName);
799 // Setup `bookmarksCursorAdapter` with `this` context. `false` disables autoRequery.
800 CursorAdapter bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
802 public View newView(Context context, Cursor cursor, ViewGroup parent) {
803 // Inflate the individual item layout. `false` does not attach it to the root.
804 return getLayoutInflater().inflate(R.layout.bookmarks_item_linearlayout, parent, false);
808 public void bindView(View view, Context context, Cursor cursor) {
809 // Get the favorite icon byte array from the cursor.
810 byte[] favoriteIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHandler.FAVORITE_ICON));
812 // Convert the byte array to a Bitmap beginning at the first byte and ending at the last.
813 Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
815 // Display the bitmap in `bookmarkFavoriteIcon`.
816 ImageView bookmarkFavoriteIcon = (ImageView) view.findViewById(R.id.bookmark_favorite_icon);
817 bookmarkFavoriteIcon.setImageBitmap(favoriteIconBitmap);
820 // Get the bookmark name from the cursor and display it in `bookmarkNameTextView`.
821 String bookmarkNameString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHandler.BOOKMARK_NAME));
822 TextView bookmarkNameTextView = (TextView) view.findViewById(R.id.bookmark_name);
823 bookmarkNameTextView.setText(bookmarkNameString);
825 // Make the font bold for folders.
826 if (cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHandler.IS_FOLDER)) == 1) {
827 // The first argument is `null` because we don't want to chage the font.
828 bookmarkNameTextView.setTypeface(null, Typeface.BOLD);
829 } else { // Reset the font to default.
830 bookmarkNameTextView.setTypeface(Typeface.DEFAULT);
835 // Update the ListView.
836 bookmarksListView.setAdapter(bookmarksCursorAdapter);
839 private void deleteBookmarkFolderContents(int databaseId) {
840 // Get the name of the folder.
841 String folderName = bookmarksDatabaseHandler.getFolderName(databaseId);
843 // Get the contents of the folder.
844 Cursor folderCursor = bookmarksDatabaseHandler.getAllBookmarksCursorByDisplayOrder(folderName);
846 for (int i = 0; i < folderCursor.getCount(); i++) {
847 // Move `folderCursor` to the current row.
848 folderCursor.moveToPosition(i);
850 // Get the database ID of the item.
851 int itemDatabaseId = folderCursor.getInt(folderCursor.getColumnIndex(BookmarksDatabaseHandler._ID));
853 // If this is a folder, delete the contents first.
854 if (bookmarksDatabaseHandler.isFolder(itemDatabaseId)) {
855 deleteBookmarkFolderContents(itemDatabaseId);
858 bookmarksDatabaseHandler.deleteBookmark(itemDatabaseId);