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,
65 EditBookmarkFolderDialog.EditBookmarkFolderListener, MoveToFolderDialog.MoveToFolderListener {
67 // `bookmarksDatabaseHelper` is public static so it can be accessed from `MoveToFolderDialog`. It is also used in `onCreate()`, `onOptionsItemSelected()`, `onBackPressed()`, `onCreateBookmark()`, `onCreateBookmarkFolder()`, `onSaveEditBookmark()`,
68 // `onSaveEditBookmarkFolder()`, `onMoveToFolder()`, `deleteBookmarkFolderContents()`, and `loadFolder().
69 public static BookmarksDatabaseHelper bookmarksDatabaseHelper;
71 // `currentFolder` is public static so it can be accessed from `MoveToFolderDialog`.
72 // It is used in `onCreate`, `onOptionsItemSelected()`, `onBackPressed()`, `onCreateBookmark()`, `onCreateBookmarkFolder()`, `onSaveEditBookmark()`, `onSaveEditBookmarkFolder()`, `onMoveToFolder()`, and `loadFolder()`.
73 public static String currentFolder;
75 // `checkedItemIds` is public static so it can be accessed from `MoveToFolderDialog`. It is also used in `onCreate()`, `onSaveEditBookmark()`, `onSaveEditBookmarkFolder()`, `onMoveToFolder()`, and `updateMoveIcons()`.
76 public static long[] checkedItemIds;
79 // `bookmarksListView` is used in `onCreate()`, `onOptionsItemSelected()`, `onCreateBookmark()`, `onCreateBookmarkFolder()`, `onSaveEditBookmark()`, `onSaveEditBookmarkFolder()`, `onMoveToFolder()`, `updateMoveIcons()`, `scrollBookmarks()`,
80 // and `loadFolder()`.
81 private ListView bookmarksListView;
83 // `bookmarksCursor` is used in `onCreate()`, `onCreateBookmark()`, `onCreateBookmarkFolder()`, `onSaveEditBookmark()`, `onSaveEditBookmarkFolder()`, `onMoveToFolder()`, `deleteBookmarkFolderContents()`, and `loadFolder()`.
84 private Cursor bookmarksCursor;
86 // `bookmarksCursorAdapter` is used in `onCreate(), `onCreateBookmark()`, `onCreateBookmarkFolder()`, `onSaveEditBookmark()`, `onSaveEditBookmarkFolder()`, `onMoveToFolder()`, and `onLoadFolder()`.
87 private CursorAdapter bookmarksCursorAdapter;
89 // `contextualActionMode` is used in `onCreate()`, `onSaveEditBookmark()`, `onSaveEditBookmarkFolder()` and `onMoveToFolder()`.
90 private ActionMode contextualActionMode;
92 // `appBar` is used in `onCreate()` and `loadFolder()`.
93 private ActionBar appBar;
95 // `oldFolderName` is used in `onCreate()` and `onSaveEditBookmarkFolder()`.
96 private String oldFolderNameString;
98 // `moveBookmarkUpMenuItem` is used in `onCreate()` and `updateMoveIcons`.
99 private MenuItem moveBookmarkUpMenuItem;
101 // `moveBookmarkDownMenuItem` is used in `onCreate()` and `updateMoveIcons`.
102 private MenuItem moveBookmarkDownMenuItem;
105 protected void onCreate(Bundle savedInstanceState) {
106 // Set the activity theme.
107 if (MainWebViewActivity.darkTheme) {
108 setTheme(R.style.PrivacyBrowserDark_SecondaryActivity);
110 setTheme(R.style.PrivacyBrowserLight_SecondaryActivity);
113 // Run the default commands.
114 super.onCreate(savedInstanceState);
116 // Get the intent that launched the activity.
117 Intent launchingIntent = getIntent();
119 // Set the current folder variable.
120 if (launchingIntent.getStringExtra("Current Folder") != null) { // Set the current folder from the intent.
121 currentFolder = launchingIntent.getStringExtra("Current Folder");
122 } else { // Set the current folder to be `""`, which is the home folder.
126 // Set the content view.
127 setContentView(R.layout.bookmarks_coordinatorlayout);
129 // Use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
130 final Toolbar bookmarksAppBar = (Toolbar) findViewById(R.id.bookmarks_toolbar);
131 setSupportActionBar(bookmarksAppBar);
133 // Get a handle for the activity, the app bar, and the `ListView`.
134 final Activity bookmarksActivity = this;
135 appBar = getSupportActionBar();
136 bookmarksListView = (ListView) findViewById(R.id.bookmarks_listview);
138 // This assert removes the incorrect warning in Android Studio on the following line that `appBar` might be null.
139 assert appBar != null;
141 // Display the home arrow on `SupportActionBar`.
142 appBar.setDisplayHomeAsUpEnabled(true);
144 // Initialize the database helper. `this` specifies the context. The two `nulls` do not specify the database name or a `CursorFactory`.
145 // The `0` specifies a database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
146 bookmarksDatabaseHelper = new BookmarksDatabaseHelper(this, null, null, 0);
148 // Load the home folder.
151 // Set a listener so that tapping a list item loads the URL or folder.
152 bookmarksListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
154 public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
155 // Convert the id from long to int to match the format of the bookmarks database.
156 int databaseID = (int) id;
158 // Get the bookmark `Cursor` for this ID and move it to the first row.
159 Cursor bookmarkCursor = bookmarksDatabaseHelper.getBookmarkCursor(databaseID);
160 bookmarkCursor.moveToFirst();
162 // Act upon the bookmark according to the type.
163 if (bookmarkCursor.getInt(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1) { // The selected bookmark is a folder.
164 // Update `currentFolder`.
165 currentFolder = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
167 // Load the new folder.
169 } else { // The selected bookmark is not a folder.
170 // Get the bookmark URL and assign it to `formattedUrlString`. `mainWebView` will automatically reload when `BookmarksActivity` closes.
171 MainWebViewActivity.formattedUrlString = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL));
173 // Update the bookmarks folder for the bookmarks drawer in `MainWebViewActivity`.
174 MainWebViewActivity.currentBookmarksFolder = currentFolder;
176 // Close the bookmarks drawer and reload the bookmarks `ListView` when returning to `MainWebViewActivity`.
177 MainWebViewActivity.restartFromBookmarksActivity = true;
179 // Return to `MainWebViewActivity`.
180 NavUtils.navigateUpFromSameTask(bookmarksActivity);
183 // Close the `Cursor`.
184 bookmarkCursor.close();
188 // `MultiChoiceModeListener` handles long clicks.
189 bookmarksListView.setMultiChoiceModeListener(new AbsListView.MultiChoiceModeListener() {
190 // Instantiate the common variables.
191 MenuItem editBookmarkMenuItem;
192 MenuItem deleteBookmarksMenuItem;
193 MenuItem selectAllBookmarksMenuItem;
194 boolean deletingBookmarks;
197 public boolean onCreateActionMode(ActionMode mode, Menu menu) {
198 // Inflate the menu for the contextual app bar and set the title.
199 getMenuInflater().inflate(R.menu.bookmarks_context_menu, menu);
202 if (currentFolder.isEmpty()) {
203 // Use `R.string.bookmarks` if we are in the home folder.
204 mode.setTitle(R.string.bookmarks);
205 } else { // Use the current folder name as the title.
206 mode.setTitle(currentFolder);
209 // Get a handle for `MenuItems` that need to be selectively disabled.
210 moveBookmarkUpMenuItem = menu.findItem(R.id.move_bookmark_up);
211 moveBookmarkDownMenuItem = menu.findItem(R.id.move_bookmark_down);
212 editBookmarkMenuItem = menu.findItem(R.id.edit_bookmark);
213 deleteBookmarksMenuItem = menu.findItem(R.id.delete_bookmark);
214 selectAllBookmarksMenuItem = menu.findItem(R.id.context_menu_select_all_bookmarks);
216 // Disable the delete bookmarks menu item if a delete is pending.
217 if (deletingBookmarks) {
218 deleteBookmarksMenuItem.setEnabled(false);
221 // Store `contextualActionMode` so it can be closed programatically.
222 contextualActionMode = mode;
229 public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
230 // Get a handle for the move to folder menu item.
231 MenuItem moveToFolderMenuItem = menu.findItem(R.id.move_to_folder);
233 // Get a `Cursor` with all of the folders.
234 Cursor folderCursor = bookmarksDatabaseHelper.getAllFoldersCursor();
236 // Enable the move to folder menu item if at least one folder exists.
237 moveToFolderMenuItem.setVisible(folderCursor.getCount() > 0);
244 public void onItemCheckedStateChanged(ActionMode mode, int position, long id, boolean checked) {
245 // Get a long array of the selected bookmarks.
246 long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
248 // Calculate the number of selected bookmarks.
249 int numberOfSelectedBookmarks = selectedBookmarksLongArray.length;
251 // Adjust the `ActionMode` and the `Menu` according to the number of selected bookmarks.
252 if (numberOfSelectedBookmarks == 0) { // No bookmarks are selected.
253 // Close the `ActionMode`.
255 } else if (numberOfSelectedBookmarks == 1) { // One bookmark is selected.
256 // List the number of selected bookmarks in the subtitle.
257 mode.setSubtitle(getString(R.string.one_selected));
259 // Show the `Move Up`, `Move Down`, and `Edit` options.
260 moveBookmarkUpMenuItem.setVisible(true);
261 moveBookmarkDownMenuItem.setVisible(true);
262 editBookmarkMenuItem.setVisible(true);
264 // Update the enabled status of the move icons.
266 } else { // More than one bookmark is selected.
267 // List the number of selected bookmarks in the subtitle.
268 mode.setSubtitle(numberOfSelectedBookmarks + " " + getString(R.string.selected));
270 // Hide non-applicable `MenuItems`.
271 moveBookmarkUpMenuItem.setVisible(false);
272 moveBookmarkDownMenuItem.setVisible(false);
273 editBookmarkMenuItem.setVisible(false);
276 // Do not show `Select All` if all the bookmarks are already checked.
277 if (bookmarksListView.getCheckedItemIds().length == bookmarksListView.getCount()) {
278 selectAllBookmarksMenuItem.setVisible(false);
280 selectAllBookmarksMenuItem.setVisible(true);
285 public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
286 // Get the menu item ID.
287 int menuItemId = item.getItemId();
289 // Instantiate the common variables.
290 int selectedBookmarkPosition;
291 int selectedBookmarkNewPosition;
292 final SparseBooleanArray selectedBookmarksPositionsSparseBooleanArray;
294 switch (menuItemId) {
295 case R.id.move_bookmark_up:
296 // Get the array of checked bookmark positions.
297 selectedBookmarksPositionsSparseBooleanArray = bookmarksListView.getCheckedItemPositions();
299 // Store the position of the selected bookmark. Only one bookmark is selected when `move_bookmark_up` is enabled.
300 selectedBookmarkPosition = selectedBookmarksPositionsSparseBooleanArray.keyAt(0);
302 // Calculate the new position of the selected bookmark.
303 selectedBookmarkNewPosition = selectedBookmarkPosition - 1;
305 // Iterate through the bookmarks.
306 for (int i = 0; i < bookmarksListView.getCount(); i++) {
307 // Get the database ID for the current bookmark.
308 int currentBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(i);
310 // Update the display order for the current bookmark.
311 if (i == selectedBookmarkPosition) { // The current bookmark is the selected bookmark.
312 // Move the current bookmark up one.
313 bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i - 1);
314 } else if ((i + 1) == selectedBookmarkPosition){ // The current bookmark is immediately above the selected bookmark.
315 // Move the current bookmark down one.
316 bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i + 1);
317 } else { // The current bookmark is not changing positions.
318 // Move `bookmarksCursor` to the current bookmark position.
319 bookmarksCursor.moveToPosition(i);
321 // Update the display order only if it is not correct in the database.
322 if (bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)) != i) {
323 bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i);
328 // Update `bookmarksCursor` with the current contents of the bookmarks database.
329 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(currentFolder);
331 // Update the `ListView`.
332 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
334 // Scroll with the bookmark.
335 scrollBookmarks(selectedBookmarkNewPosition);
337 // Update the enabled status of the move icons.
341 case R.id.move_bookmark_down:
342 // Get the array of checked bookmark positions.
343 selectedBookmarksPositionsSparseBooleanArray = bookmarksListView.getCheckedItemPositions();
345 // Store the position of the selected bookmark. Only one bookmark is selected when `move_bookmark_down` is enabled.
346 selectedBookmarkPosition = selectedBookmarksPositionsSparseBooleanArray.keyAt(0);
348 // Calculate the new position of the selected bookmark.
349 selectedBookmarkNewPosition = selectedBookmarkPosition + 1;
351 // Iterate through the bookmarks.
352 for (int i = 0; i <bookmarksListView.getCount(); i++) {
353 // Get the database ID for the current bookmark.
354 int currentBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(i);
356 // Update the display order for the current bookmark.
357 if (i == selectedBookmarkPosition) { // The current bookmark is the selected bookmark.
358 // Move the current bookmark down one.
359 bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i + 1);
360 } else if ((i - 1) == selectedBookmarkPosition) { // The current bookmark is immediately below the selected bookmark.
361 // Move the bookmark below the selected bookmark up one.
362 bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i - 1);
363 } else { // The current bookmark is not changing positions.
364 // Move `bookmarksCursor` to the current bookmark position.
365 bookmarksCursor.moveToPosition(i);
367 // Update the display order only if it is not correct in the database.
368 if (bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)) != i) {
369 bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i);
374 // Update `bookmarksCursor` with the current contents of the bookmarks database.
375 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(currentFolder);
377 // Update the `ListView`.
378 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
380 // Scroll with the bookmark.
381 scrollBookmarks(selectedBookmarkNewPosition);
383 // Update the enabled status of the move icons.
387 case R.id.move_to_folder:
388 // Store `checkedItemIds` for use by the `AlertDialog`.
389 checkedItemIds = bookmarksListView.getCheckedItemIds();
391 // Show the `MoveToFolderDialog` `AlertDialog` and name the instance `@string/move_to_folder
392 AppCompatDialogFragment moveToFolderDialog = new MoveToFolderDialog();
393 moveToFolderDialog.show(getSupportFragmentManager(), getResources().getString(R.string.move_to_folder));
396 case R.id.edit_bookmark:
397 // Get the array of checked bookmark positions.
398 selectedBookmarksPositionsSparseBooleanArray = bookmarksListView.getCheckedItemPositions();
400 // Get the position of the selected bookmark. Only one bookmark is selected when `edit_bookmark_down` is enabled.
401 selectedBookmarkPosition = selectedBookmarksPositionsSparseBooleanArray.keyAt(0);
403 // Move to the selected position and find out if it is a folder.
404 bookmarksCursor.moveToPosition(selectedBookmarkPosition);
405 boolean isFolder = (bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1);
407 // Get the selected bookmark database ID.
408 int databaseId = bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper._ID));
411 // Save the current folder name, which is used in `onSaveEditBookmarkFolder()`.
412 oldFolderNameString = bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
414 // Show the edit bookmark folder `AlertDialog` and name the instance `@string/edit_folder`.
415 AppCompatDialogFragment editFolderDialog = EditBookmarkFolderDialog.folderDatabaseId(databaseId);
416 editFolderDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_folder));
418 // Show the edit bookmark `AlertDialog` and name the instance `@string/edit_bookmark`.
419 AppCompatDialogFragment editBookmarkDialog = EditBookmarkDialog.bookmarkDatabaseId(databaseId);
420 editBookmarkDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_bookmark));
424 case R.id.delete_bookmark:
425 // Set the deleting bookmarks flag, which prevents the delete menu item from being enabled until the current process finishes.
426 deletingBookmarks = true;
428 // Get an array of the selected row IDs.
429 final long[] selectedBookmarksIdsLongArray = bookmarksListView.getCheckedItemIds();
431 // 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.
432 selectedBookmarksPositionsSparseBooleanArray = bookmarksListView.getCheckedItemPositions().clone();
434 // Update `bookmarksCursor` with the current contents of the bookmarks database except for the specified database IDs.
435 bookmarksCursor = bookmarksDatabaseHelper.getBookmarksCursorExcept(selectedBookmarksIdsLongArray, currentFolder);
437 // Update the `ListView`.
438 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
440 // Instantiate `snackbarMessage`.
441 String snackbarMessage;
443 // Determine how many items are in the array and prepare an appropriate `Snackbar` message.
444 if (selectedBookmarksIdsLongArray.length == 1) {
445 snackbarMessage = getString(R.string.one_bookmark_deleted);
447 snackbarMessage = selectedBookmarksIdsLongArray.length + " " + getString(R.string.bookmarks_deleted);
451 Snackbar.make(findViewById(R.id.bookmarks_coordinatorlayout), snackbarMessage, Snackbar.LENGTH_LONG)
452 .setAction(R.string.undo, new View.OnClickListener() {
454 public void onClick(View view) {
455 // Do nothing because everything will be handled by `onDismissed()` below.
458 .addCallback(new Snackbar.Callback() {
460 public void onDismissed(Snackbar snackbar, int event) {
462 // The user pushed the `Undo` button.
463 case Snackbar.Callback.DISMISS_EVENT_ACTION:
464 // Update `bookmarksCursor` with the current contents of the bookmarks database, including the "deleted" bookmarks.
465 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(currentFolder);
467 // Update the `ListView`.
468 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
470 // Re-select the previously selected bookmarks.
471 for (int i = 0; i < selectedBookmarksPositionsSparseBooleanArray.size(); i++) {
472 bookmarksListView.setItemChecked(selectedBookmarksPositionsSparseBooleanArray.keyAt(i), true);
477 // The `Snackbar` was dismissed without the `Undo` button being pushed.
479 // Delete each selected bookmark.
480 for (long databaseIdLong : selectedBookmarksIdsLongArray) {
481 // Convert `databaseIdLong` to an int.
482 int databaseIdInt = (int) databaseIdLong;
484 // Delete the contents of the folder if the selected bookmark is a folder.
485 if (bookmarksDatabaseHelper.isFolder(databaseIdInt)) {
486 deleteBookmarkFolderContents(databaseIdInt);
489 // Delete the selected bookmark.
490 bookmarksDatabaseHelper.deleteBookmark(databaseIdInt);
493 // Update the display order.
494 for (int i = 0; i < bookmarksListView.getCount(); i++) {
495 // Get the database ID for the current bookmark.
496 int currentBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(i);
498 // Move `bookmarksCursor` to the current bookmark position.
499 bookmarksCursor.moveToPosition(i);
501 // Update the display order only if it is not correct in the database.
502 if (bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)) != i) {
503 bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i);
508 // Enable the delete bookmarks menu item.
509 deleteBookmarksMenuItem.setEnabled(true);
511 // Reset the deleting bookmarks flag.
512 deletingBookmarks = false;
515 //Show the `SnackBar`.
518 // Close the `ActionBar`.
522 case R.id.context_menu_select_all_bookmarks:
523 // Get the total number of bookmarks.
524 int numberOfBookmarks = bookmarksListView.getCount();
527 for (int i = 0; i < numberOfBookmarks; i++) {
528 bookmarksListView.setItemChecked(i, true);
533 // Consume the click.
538 public void onDestroyActionMode(ActionMode mode) {
543 // Get handles for the `FloatingActionButtons`.
544 FloatingActionButton createBookmarkFolderFab = (FloatingActionButton) findViewById(R.id.create_bookmark_folder_fab);
545 FloatingActionButton createBookmarkFab = (FloatingActionButton) findViewById(R.id.create_bookmark_fab);
547 // Set the create new bookmark folder FAB to display the `AlertDialog`.
548 createBookmarkFolderFab.setOnClickListener(new View.OnClickListener() {
550 public void onClick(View v) {
551 // Show the `CreateBookmarkFolderDialog` `AlertDialog` and name the instance `@string/create_folder`.
552 AppCompatDialogFragment createBookmarkFolderDialog = new CreateBookmarkFolderDialog();
553 createBookmarkFolderDialog.show(getSupportFragmentManager(), getResources().getString(R.string.create_folder));
557 // Set the create new bookmark FAB to display the `AlertDialog`.
558 createBookmarkFab.setOnClickListener(new View.OnClickListener() {
560 public void onClick(View view) {
561 // Show the `CreateBookmarkDialog` `AlertDialog` and name the instance `@string/create_bookmark`.
562 AppCompatDialogFragment createBookmarkDialog = new CreateBookmarkDialog();
563 createBookmarkDialog.show(getSupportFragmentManager(), getResources().getString(R.string.create_bookmark));
569 public boolean onCreateOptionsMenu(Menu menu) {
571 getMenuInflater().inflate(R.menu.bookmarks_options_menu, menu);
578 public boolean onOptionsItemSelected(MenuItem menuItem) {
579 // Get the ID of the `MenuItem` that was selected.
580 int menuItemId = menuItem.getItemId();
582 switch (menuItemId) {
583 case android.R.id.home: // The home arrow is identified as `android.R.id.home`, not just `R.id.home`.
584 if (currentFolder.isEmpty()) { // Currently in the home folder.
585 // Update the bookmarks folder for the bookmarks drawer in `MainWebViewActivity`.
586 MainWebViewActivity.currentBookmarksFolder = "";
588 // Close the bookmarks drawer and reload the bookmarks `ListView` when returning to `MainWebViewActivity`.
589 MainWebViewActivity.restartFromBookmarksActivity = true;
591 // Return to `MainWebViewActivity`.
592 NavUtils.navigateUpFromSameTask(this);
593 } else { // Currently in a subfolder.
594 // Place the former parent folder in `currentFolder`.
595 currentFolder = bookmarksDatabaseHelper.getParentFolder(currentFolder);
597 // Load the new folder.
602 case R.id.options_menu_select_all_bookmarks:
603 // Get the total number of bookmarks.
604 int numberOfBookmarks = bookmarksListView.getCount();
607 for (int i = 0; i < numberOfBookmarks; i++) {
608 bookmarksListView.setItemChecked(i, true);
612 case R.id.bookmarks_database_view:
613 // Launch `BookmarksDatabaseViewActivity`.
614 Intent bookmarksDatabaseViewIntent = new Intent(this, BookmarksDatabaseViewActivity.class);
615 startActivity(bookmarksDatabaseViewIntent);
622 public void onBackPressed() {
623 if (currentFolder.isEmpty()) { // Currently in the home folder.
624 // Update the bookmarks folder for the bookmarks drawer in `MainWebViewActivity`.
625 MainWebViewActivity.currentBookmarksFolder = "";
627 // Close the bookmarks drawer and reload the bookmarks `ListView` when returning to `MainWebViewActivity`.
628 MainWebViewActivity.restartFromBookmarksActivity = true;
630 // Exit `BookmarksActivity`.
631 super.onBackPressed();
632 } else { // Currently in a subfolder.
633 // Place the former parent folder in `currentFolder`.
634 currentFolder = bookmarksDatabaseHelper.getParentFolder(currentFolder);
636 // Load the new folder.
642 public void onCreateBookmark(AppCompatDialogFragment dialogFragment) {
643 // Get the `EditTexts` from the `dialogFragment`.
644 EditText createBookmarkNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.create_bookmark_name_edittext);
645 EditText createBookmarkUrlEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.create_bookmark_url_edittext);
647 // Extract the strings from the `EditTexts`.
648 String bookmarkNameString = createBookmarkNameEditText.getText().toString();
649 String bookmarkUrlString = createBookmarkUrlEditText.getText().toString();
651 // Convert the favoriteIcon Bitmap to a byte array. `0` is for lossless compression (the only option for a PNG).
652 ByteArrayOutputStream favoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
653 MainWebViewActivity.favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, favoriteIconByteArrayOutputStream);
654 byte[] favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray();
656 // Display the new bookmark below the current items in the (0 indexed) list.
657 int newBookmarkDisplayOrder = bookmarksListView.getCount();
659 // Create the bookmark.
660 bookmarksDatabaseHelper.createBookmark(bookmarkNameString, bookmarkUrlString, newBookmarkDisplayOrder, currentFolder, favoriteIconByteArray);
662 // Update `bookmarksCursor` with the current contents of this folder.
663 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(currentFolder);
665 // Update the `ListView`.
666 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
668 // Scroll to the new bookmark.
669 bookmarksListView.setSelection(newBookmarkDisplayOrder);
673 public void onCreateBookmarkFolder(AppCompatDialogFragment dialogFragment) {
674 // Get handles for the views in `dialogFragment`.
675 EditText createFolderNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.create_folder_name_edittext);
676 RadioButton defaultFolderIconRadioButton = (RadioButton) dialogFragment.getDialog().findViewById(R.id.create_folder_default_icon_radiobutton);
677 ImageView folderIconImageView = (ImageView) dialogFragment.getDialog().findViewById(R.id.create_folder_default_icon);
679 // Get new folder name string.
680 String folderNameString = createFolderNameEditText.getText().toString();
682 // Get the new folder icon `Bitmap`.
683 Bitmap folderIconBitmap;
684 if (defaultFolderIconRadioButton.isChecked()) { // Use the default folder icon.
685 // Get the default folder icon and convert it to a `Bitmap`.
686 Drawable folderIconDrawable = folderIconImageView.getDrawable();
687 BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
688 folderIconBitmap = folderIconBitmapDrawable.getBitmap();
689 } else { // Use the `WebView` favorite icon.
690 folderIconBitmap = MainWebViewActivity.favoriteIconBitmap;
693 // Convert `folderIconBitmap` to a byte array. `0` is for lossless compression (the only option for a PNG).
694 ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream();
695 folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream);
696 byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray();
698 // Move all the bookmarks down one in the display order.
699 for (int i = 0; i < bookmarksListView.getCount(); i++) {
700 int databaseId = (int) bookmarksListView.getItemIdAtPosition(i);
701 bookmarksDatabaseHelper.updateDisplayOrder(databaseId, i + 1);
704 // Create the folder, placing it at the top of the ListView
705 bookmarksDatabaseHelper.createFolder(folderNameString, 0, currentFolder, folderIconByteArray);
707 // Update `bookmarksCursor` with the current contents of this folder.
708 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(currentFolder);
710 // Update the `ListView`.
711 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
713 // Scroll to the new folder.
714 bookmarksListView.setSelection(0);
718 public void onSaveEditBookmark(AppCompatDialogFragment dialogFragment, int selectedBookmarkDatabaseId) {
719 // Get handles for the views from `dialogFragment`.
720 EditText editBookmarkNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.edit_bookmark_name_edittext);
721 EditText editBookmarkUrlEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.edit_bookmark_url_edittext);
722 RadioButton currentBookmarkIconRadioButton = (RadioButton) dialogFragment.getDialog().findViewById(R.id.edit_bookmark_current_icon_radiobutton);
724 // Store the bookmark strings.
725 String bookmarkNameString = editBookmarkNameEditText.getText().toString();
726 String bookmarkUrlString = editBookmarkUrlEditText.getText().toString();
728 // Update the bookmark.
729 if (currentBookmarkIconRadioButton.isChecked()) { // Update the bookmark without changing the favorite icon.
730 bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString);
731 } else { // Update the bookmark using the `WebView` favorite icon.
732 // Convert the favorite icon to a byte array. `0` is for lossless compression (the only option for a PNG).
733 ByteArrayOutputStream newFavoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
734 MainWebViewActivity.favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFavoriteIconByteArrayOutputStream);
735 byte[] newFavoriteIconByteArray = newFavoriteIconByteArrayOutputStream.toByteArray();
737 // Update the bookmark and the favorite icon.
738 bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, newFavoriteIconByteArray);
741 // Close the contextual action mode.
742 contextualActionMode.finish();
744 // Update `bookmarksCursor` with the current contents of this folder.
745 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(currentFolder);
747 // Update the `ListView`.
748 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
752 public void onSaveEditBookmarkFolder(AppCompatDialogFragment dialogFragment, int selectedFolderDatabaseId) {
753 // Get handles for the views from `dialogFragment`.
754 EditText editFolderNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.edit_folder_name_edittext);
755 RadioButton currentFolderIconRadioButton = (RadioButton) dialogFragment.getDialog().findViewById(R.id.edit_folder_current_icon_radiobutton);
756 RadioButton defaultFolderIconRadioButton = (RadioButton) dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon_radiobutton);
757 ImageView folderIconImageView = (ImageView) dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon);
759 // Get the new folder name.
760 String newFolderNameString = editFolderNameEditText.getText().toString();
762 // Check if the favorite icon has changed.
763 if (currentFolderIconRadioButton.isChecked()) { // Only the name has changed.
764 // Update the name in the database.
765 bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, oldFolderNameString, newFolderNameString);
766 } else if (!currentFolderIconRadioButton.isChecked() && newFolderNameString.equals(oldFolderNameString)) { // Only the icon has changed.
767 // Get the new folder icon `Bitmap`.
768 Bitmap folderIconBitmap;
769 if (defaultFolderIconRadioButton.isChecked()) {
770 // Get the default folder icon and convert it to a `Bitmap`.
771 Drawable folderIconDrawable = folderIconImageView.getDrawable();
772 BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
773 folderIconBitmap = folderIconBitmapDrawable.getBitmap();
774 } else { // Use the `WebView` favorite icon.
775 folderIconBitmap = MainWebViewActivity.favoriteIconBitmap;
778 // Convert the folder `Bitmap` to a byte array. `0` is for lossless compression (the only option for a PNG).
779 ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream();
780 folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream);
781 byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray();
783 // Update the folder icon in the database.
784 bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, folderIconByteArray);
785 } else { // The folder icon and the name have changed.
786 // Get the new folder icon `Bitmap`.
787 Bitmap folderIconBitmap;
788 if (defaultFolderIconRadioButton.isChecked()) {
789 // Get the default folder icon and convert it to a `Bitmap`.
790 Drawable folderIconDrawable = folderIconImageView.getDrawable();
791 BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
792 folderIconBitmap = folderIconBitmapDrawable.getBitmap();
793 } else { // Use the `WebView` favorite icon.
794 folderIconBitmap = MainWebViewActivity.favoriteIconBitmap;
797 // Convert the folder `Bitmap` to a byte array. `0` is for lossless compression (the only option for a PNG).
798 ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream();
799 folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream);
800 byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray();
802 // Update the folder name and icon in the database.
803 bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, oldFolderNameString, newFolderNameString, folderIconByteArray);
806 // Update `bookmarksCursor` with the current contents of this folder.
807 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(currentFolder);
809 // Update the `ListView`.
810 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
812 // Close the contextual action mode.
813 contextualActionMode.finish();
817 public void onMoveToFolder(AppCompatDialogFragment dialogFragment) {
818 // Get a handle for the `ListView` from `dialogFragment`.
819 ListView folderListView = (ListView) dialogFragment.getDialog().findViewById(R.id.move_to_folder_listview);
821 // Store a long array of the selected folders.
822 long[] newFolderLongArray = folderListView.getCheckedItemIds();
824 // Get the new folder database ID. Only one folder will be selected.
825 int newFolderDatabaseId = (int) newFolderLongArray[0];
827 // Instantiate `newFolderName`.
828 String newFolderName;
830 // Set the new folder name.
831 if (newFolderDatabaseId == 0) {
832 // The new folder is the home folder, represented as `""` in the database.
835 // Get the new folder name from the database.
836 newFolderName = bookmarksDatabaseHelper.getFolderName(newFolderDatabaseId);
839 // Get a long array with the the database ID of the selected bookmarks.
840 long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
842 // Move each of the selected bookmarks to the new folder.
843 for (long databaseIdLong : selectedBookmarksLongArray) {
844 // Get `databaseIdInt` for each selected bookmark.
845 int databaseIdInt = (int) databaseIdLong;
847 // Move the selected bookmark to the new folder.
848 bookmarksDatabaseHelper.moveToFolder(databaseIdInt, newFolderName);
851 // Update `bookmarksCursor` with the current contents of this folder.
852 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(currentFolder);
854 // Update the `ListView`.
855 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
857 // Close the contextual app bar.
858 contextualActionMode.finish();
861 private void deleteBookmarkFolderContents(int databaseId) {
862 // Get the name of the folder.
863 String folderName = bookmarksDatabaseHelper.getFolderName(databaseId);
865 // Get the contents of the folder.
866 Cursor folderCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(folderName);
868 // Delete each of the bookmarks in the folder.
869 for (int i = 0; i < folderCursor.getCount(); i++) {
870 // Move `folderCursor` to the current row.
871 folderCursor.moveToPosition(i);
873 // Get the database ID of the item.
874 int itemDatabaseId = folderCursor.getInt(folderCursor.getColumnIndex(BookmarksDatabaseHelper._ID));
876 // If this is a folder, recursively delete the contents first.
877 if (bookmarksDatabaseHelper.isFolder(itemDatabaseId)) {
878 deleteBookmarkFolderContents(itemDatabaseId);
881 // Delete the bookmark.
882 bookmarksDatabaseHelper.deleteBookmark(itemDatabaseId);
886 private void updateMoveIcons() {
887 // Get a long array of the selected bookmarks.
888 long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
890 // Get the database IDs for the first, last, and selected bookmarks.
891 int selectedBookmarkDatabaseId = (int) selectedBookmarksLongArray[0];
892 int firstBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(0);
893 // bookmarksListView is 0 indexed.
894 int lastBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(bookmarksListView.getCount() - 1);
896 // Update the move bookmark up `MenuItem`.
897 if (selectedBookmarkDatabaseId == firstBookmarkDatabaseId) { // The selected bookmark is in the first position.
898 // Disable the move bookmark up `MenuItem`.
899 moveBookmarkUpMenuItem.setEnabled(false);
901 // Set the move bookmark up icon to be ghosted.
902 moveBookmarkUpMenuItem.setIcon(R.drawable.move_up_disabled);
903 } else { // The selected bookmark is not in the first position.
904 // Enable the move bookmark up `MenuItem`.
905 moveBookmarkUpMenuItem.setEnabled(true);
907 // Set the icon according to the theme.
908 if (MainWebViewActivity.darkTheme) {
909 moveBookmarkUpMenuItem.setIcon(R.drawable.move_up_enabled_dark);
911 moveBookmarkUpMenuItem.setIcon(R.drawable.move_up_enabled_light);
915 // Update the move bookmark down `MenuItem`.
916 if (selectedBookmarkDatabaseId == lastBookmarkDatabaseId) { // The selected bookmark is in the last position.
917 // Disable the move bookmark down `MenuItem`.
918 moveBookmarkDownMenuItem.setEnabled(false);
920 // Set the move bookmark down icon to be ghosted.
921 moveBookmarkDownMenuItem.setIcon(R.drawable.move_down_disabled);
922 } else { // The selected bookmark is not in the last position.
923 // Enable the move bookmark down `MenuItem`.
924 moveBookmarkDownMenuItem.setEnabled(true);
926 // Set the icon according to the theme.
927 if (MainWebViewActivity.darkTheme) {
928 moveBookmarkDownMenuItem.setIcon(R.drawable.move_down_enabled_dark);
930 moveBookmarkDownMenuItem.setIcon(R.drawable.move_down_enabled_light);
935 private void scrollBookmarks(int selectedBookmarkPosition) {
936 // Get the first and last visible bookmark positions.
937 int firstVisibleBookmarkPosition = bookmarksListView.getFirstVisiblePosition();
938 int lastVisibleBookmarkPosition = bookmarksListView.getLastVisiblePosition();
940 // Calculate the number of bookmarks per screen.
941 int numberOfBookmarksPerScreen = lastVisibleBookmarkPosition - firstVisibleBookmarkPosition;
943 // Scroll with the moved bookmark if necessary.
944 if (selectedBookmarkPosition <= firstVisibleBookmarkPosition) { // The selected bookmark position is at or above the top of the screen.
945 // Scroll to the selected bookmark position.
946 bookmarksListView.setSelection(selectedBookmarkPosition);
947 } else if (selectedBookmarkPosition >= (lastVisibleBookmarkPosition - 1)) { // The selected bookmark is at or below the bottom of the screen. The `-1` handles partial bookmarks displayed at the bottom of the `ListView`.
948 // Scroll to display the selected bookmark at the bottom of the screen. `+1` assured that the entire bookmark will be displayed in situations where only a partial bookmark fits at the bottom of the `ListView`.
949 bookmarksListView.setSelection(selectedBookmarkPosition - numberOfBookmarksPerScreen + 1);
953 private void loadFolder() {
954 // Update `bookmarksCursor` with the contents of the bookmarks database for the current folder.
955 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(currentFolder);
957 // Setup a `CursorAdapter`. `this` specifies the `Context`. `false` disables `autoRequery`.
958 bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
960 public View newView(Context context, Cursor cursor, ViewGroup parent) {
961 // Inflate the individual item layout. `false` does not attach it to the root.
962 return getLayoutInflater().inflate(R.layout.bookmarks_activity_item_linearlayout, parent, false);
966 public void bindView(View view, Context context, Cursor cursor) {
967 // Get handles for the views.
968 ImageView bookmarkFavoriteIcon = (ImageView) view.findViewById(R.id.bookmark_favorite_icon);
969 TextView bookmarkNameTextView = (TextView) view.findViewById(R.id.bookmark_name);
971 // Get the favorite icon byte array from the `Cursor`.
972 byte[] favoriteIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON));
974 // Convert the byte array to a `Bitmap` beginning at the first byte and ending at the last.
975 Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
977 // Display the bitmap in `bookmarkFavoriteIcon`.
978 bookmarkFavoriteIcon.setImageBitmap(favoriteIconBitmap);
980 // Get the bookmark name from the cursor and display it in `bookmarkNameTextView`.
981 String bookmarkNameString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
982 bookmarkNameTextView.setText(bookmarkNameString);
984 // Make the font bold for folders.
985 if (cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1) {
986 bookmarkNameTextView.setTypeface(Typeface.DEFAULT_BOLD);
987 } else { // Reset the font to default for normal bookmarks.
988 bookmarkNameTextView.setTypeface(Typeface.DEFAULT);
993 // Populate the `ListView` with the adapter.
994 bookmarksListView.setAdapter(bookmarksCursorAdapter);
996 // Set the `AppBar` title.
997 if (currentFolder.isEmpty()) {
998 appBar.setTitle(R.string.bookmarks);
1000 appBar.setTitle(currentFolder);