X-Git-Url: https://gitweb.stoutner.com/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Factivities%2FBookmarksActivity.java;h=905a98d004df241e1e8c129df5bf7ef296ce0d93;hb=HEAD;hp=68830965c84182d1abcada6c7061740500e79fab;hpb=871520acac2bd75f528e943c1b2a650017c852b9;p=PrivacyBrowserAndroid.git

diff --git a/app/src/main/java/com/stoutner/privacybrowser/activities/BookmarksActivity.java b/app/src/main/java/com/stoutner/privacybrowser/activities/BookmarksActivity.java
deleted file mode 100644
index 68830965..00000000
--- a/app/src/main/java/com/stoutner/privacybrowser/activities/BookmarksActivity.java
+++ /dev/null
@@ -1,925 +0,0 @@
-/*
- * Copyright © 2016-2017 Soren Stoutner <soren@stoutner.com>.
- *
- * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
- *
- * Privacy Browser is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Privacy Browser is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Privacy Browser.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package com.stoutner.privacybrowser.activities;
-
-import android.app.Activity;
-import android.content.Context;
-import android.content.Intent;
-import android.database.Cursor;
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
-import android.graphics.Typeface;
-import android.graphics.drawable.BitmapDrawable;
-import android.graphics.drawable.Drawable;
-import android.os.Bundle;
-import android.support.design.widget.FloatingActionButton;
-import android.support.design.widget.Snackbar;
-import android.support.v4.app.NavUtils;
-import android.support.v7.app.ActionBar;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.app.AppCompatDialogFragment;
-import android.support.v7.widget.Toolbar;
-import android.util.SparseBooleanArray;
-import android.view.ActionMode;
-import android.view.Menu;
-import android.view.MenuItem;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.AbsListView;
-import android.widget.AdapterView;
-import android.widget.CursorAdapter;
-import android.widget.EditText;
-import android.widget.ImageView;
-import android.widget.ListView;
-import android.widget.RadioButton;
-import android.widget.TextView;
-
-import com.stoutner.privacybrowser.dialogs.CreateBookmarkDialog;
-import com.stoutner.privacybrowser.dialogs.CreateBookmarkFolderDialog;
-import com.stoutner.privacybrowser.dialogs.EditBookmarkDialog;
-import com.stoutner.privacybrowser.dialogs.EditBookmarkFolderDialog;
-import com.stoutner.privacybrowser.dialogs.MoveToFolderDialog;
-import com.stoutner.privacybrowser.R;
-import com.stoutner.privacybrowser.helpers.BookmarksDatabaseHelper;
-
-import java.io.ByteArrayOutputStream;
-
-public class BookmarksActivity extends AppCompatActivity implements CreateBookmarkDialog.CreateBookmarkListener, CreateBookmarkFolderDialog.CreateBookmarkFolderListener, EditBookmarkDialog.EditBookmarkListener, EditBookmarkFolderDialog.EditBookmarkFolderListener,
-        MoveToFolderDialog.MoveToFolderListener {
-
-    // `bookmarksDatabaseHelper` is public static so it can be accessed from `CreateBookmarkFolderDialog`, `EditBookmarkDialog`, `EditBookmarkFolderDialog` and `MoveToFolderDialog`.  It is also used in `onCreate()`,
-    // `onCreateBookmarkCreate()`, `updateBookmarksListView()`, and `updateBookmarksListViewExcept()`.
-    public static BookmarksDatabaseHelper bookmarksDatabaseHelper;
-
-    // `currentFolder` is public static so it can be accessed from `MoveToFolderDialog`.
-    // It is used in `onCreate`, `onOptionsItemSelected()`, `onCreateBookmarkCreate`, `onCreateBookmarkFolderCreate`, and `onEditBookmarkSave`.
-    public static String currentFolder;
-
-    // `checkedItemIds` is public static so it can be accessed from `EditBookmarkDialog`, `EditBookmarkFolderDialog`, and `MoveToFolderDialog`.
-    // It is also used in `onActionItemClicked`.
-    public static long[] checkedItemIds;
-
-
-    // `bookmarksListView` is used in `onCreate()`, `updateBookmarksListView()`, and `updateBookmarksListViewExcept()`.
-    private ListView bookmarksListView;
-
-    // `contextualActionMode` is used in `onCreate()` and `onEditBookmarkSave()`.
-    private ActionMode contextualActionMode;
-
-    // `selectedBookmarkPosition` is used in `onCreate()` and `onEditBookmarkSave()`.
-    private int selectedBookmarkPosition;
-
-    // `appBar` is used in `onCreate()` and `updateBookmarksListView()`.
-    private ActionBar appBar;
-
-    // `bookmarksCursor` is used in `onCreate()`, `updateBookmarksListView()`, and `updateBookmarksListViewExcept()`.
-    private Cursor bookmarksCursor;
-
-    // `oldFolderName` is used in `onCreate()` and `onEditBookmarkFolderSave()`.
-    private String oldFolderNameString;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        // Set the activity theme.
-        if (MainWebViewActivity.darkTheme) {
-            setTheme(R.style.PrivacyBrowserDark_SecondaryActivity);
-        } else {
-            setTheme(R.style.PrivacyBrowserLight_SecondaryActivity);
-        }
-
-        // Run the default commands.
-        super.onCreate(savedInstanceState);
-
-        // Set the content view.
-        setContentView(R.layout.bookmarks_coordinatorlayout);
-
-        // Use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
-        final Toolbar bookmarksAppBar = (Toolbar) findViewById(R.id.bookmarks_toolbar);
-        setSupportActionBar(bookmarksAppBar);
-
-        // Display the home arrow on `SupportActionBar`.
-        appBar = getSupportActionBar();
-        assert appBar != null;// This assert removes the incorrect warning in Android Studio on the following line that `appBar` might be null.
-        appBar.setDisplayHomeAsUpEnabled(true);
-
-
-        // Initialize the database helper and the `ListView`.  `this` specifies the context.  The two `nulls` do not specify the database name or a `CursorFactory`.
-        // The `0` specifies a database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
-        bookmarksDatabaseHelper = new BookmarksDatabaseHelper(this, null, null, 0);
-        bookmarksListView = (ListView) findViewById(R.id.bookmarks_listview);
-
-        // Set currentFolder to the home folder, which is `""` in the database.
-        currentFolder = "";
-
-        // Display the bookmarks in the ListView.
-        updateBookmarksListView(currentFolder);
-
-        // 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.
-        final Activity bookmarksActivity = this;
-        bookmarksListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
-            @Override
-            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
-                // Convert the id from long to int to match the format of the bookmarks database.
-                int databaseID = (int) id;
-
-                // Get the bookmark `Cursor` for this ID and move it to the first row.
-                Cursor bookmarkCursor = bookmarksDatabaseHelper.getBookmarkCursor(databaseID);
-                bookmarkCursor.moveToFirst();
-
-                // If the bookmark is a folder load its contents into the ListView.
-                if (bookmarkCursor.getInt(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1) {
-                    // Update `currentFolder`.
-                    currentFolder = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
-
-                    // Reload the ListView with `currentFolder`.
-                    updateBookmarksListView(currentFolder);
-                } else {  // Load the URL into `mainWebView`.
-                    // Get the bookmark URL and assign it to formattedUrlString.  `mainWebView` will automatically reload when `BookmarksActivity` closes.
-                    MainWebViewActivity.formattedUrlString = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL));
-
-                    NavUtils.navigateUpFromSameTask(bookmarksActivity);
-                }
-
-                // Close the `Cursor`.
-                bookmarkCursor.close();
-            }
-        });
-
-        // `MultiChoiceModeListener` handles long clicks.
-        bookmarksListView.setMultiChoiceModeListener(new AbsListView.MultiChoiceModeListener() {
-            // `moveBookmarkUpMenuItem` is used in `onCreateActionMode()` and `onItemCheckedStateChanged`.
-            MenuItem moveBookmarkUpMenuItem;
-
-            // `moveBookmarkDownMenuItem` is used in `onCreateActionMode()` and `onItemCheckedStateChanged`.
-            MenuItem moveBookmarkDownMenuItem;
-
-            // `editBookmarkMenuItem` is used in `onCreateActionMode()` and `onItemCheckedStateChanged`.
-            MenuItem editBookmarkMenuItem;
-
-            // `selectAllBookmarks` is used in `onCreateActionMode()` and `onItemCheckedStateChanges`.
-            MenuItem selectAllBookmarksMenuItem;
-
-            @Override
-            public boolean onCreateActionMode(ActionMode mode, Menu menu) {
-                // Inflate the menu for the contextual app bar and set the title.
-                getMenuInflater().inflate(R.menu.bookmarks_context_menu, menu);
-
-                // Set the title.
-                if (currentFolder.isEmpty()) {
-                    // Use `R.string.bookmarks` if we are in the home folder.
-                    mode.setTitle(R.string.bookmarks);
-                } else {  // Use the current folder name as the title.
-                    mode.setTitle(currentFolder);
-                }
-
-                // Get a handle for MenuItems we need to selectively disable.
-                moveBookmarkUpMenuItem = menu.findItem(R.id.move_bookmark_up);
-                moveBookmarkDownMenuItem = menu.findItem(R.id.move_bookmark_down);
-                editBookmarkMenuItem = menu.findItem(R.id.edit_bookmark);
-                selectAllBookmarksMenuItem = menu.findItem(R.id.context_menu_select_all_bookmarks);
-
-                // Store `contextualActionMode` so we can close it programatically.
-                contextualActionMode = mode;
-
-                return true;
-            }
-
-            @Override
-            public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
-                // Get a handle for the move to folder menu item.
-                MenuItem moveToFolderMenuItem = menu.findItem(R.id.move_to_folder);
-
-                // Get a `Cursor` with all of the folders.
-                Cursor folderCursor = bookmarksDatabaseHelper.getAllFoldersCursor();
-
-                // Enable the move to folder menu item if at least one folder exists.
-                moveToFolderMenuItem.setVisible(folderCursor.getCount() > 0);
-
-                // `return true` indicates that the menu has been updated.
-                return true;
-            }
-
-            @Override
-            public void onItemCheckedStateChanged(ActionMode mode, int position, long id, boolean checked) {
-                // Get an array of the selected bookmarks.
-                long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
-
-                // Calculate the number of selected bookmarks.
-                int numberOfSelectedBookmarks = selectedBookmarksLongArray.length;
-
-                // Adjust the `mode` and the menu for the number of selected bookmarks.
-                if (numberOfSelectedBookmarks == 0) {
-                    mode.finish();
-                } else if (numberOfSelectedBookmarks == 1) {
-                    // List the number of selected bookmarks in the subtitle.
-                    mode.setSubtitle(getString(R.string.one_selected));
-
-                    // Show the `Move Up`, `Move Down`, and  `Edit` options.
-                    moveBookmarkUpMenuItem.setVisible(true);
-                    moveBookmarkDownMenuItem.setVisible(true);
-                    editBookmarkMenuItem.setVisible(true);
-
-                    // Get the database IDs for the bookmarks.
-                    int selectedBookmarkDatabaseId = (int) selectedBookmarksLongArray[0];
-                    int firstBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(0);
-                    // bookmarksListView is 0 indexed.
-                    int lastBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(bookmarksListView.getCount() - 1);
-
-                    // Disable `moveBookmarkUpMenuItem` if the selected bookmark is at the top of the ListView.
-                    if (selectedBookmarkDatabaseId == firstBookmarkDatabaseId) {
-                        moveBookmarkUpMenuItem.setEnabled(false);
-                        moveBookmarkUpMenuItem.setIcon(R.drawable.move_up_disabled);
-                    } else {  // Otherwise enable `moveBookmarkUpMenuItem`.
-                        moveBookmarkUpMenuItem.setEnabled(true);
-
-                        // Set the icon according to the theme.
-                        if (MainWebViewActivity.darkTheme) {
-                            moveBookmarkUpMenuItem.setIcon(R.drawable.move_up_enabled_dark);
-                        } else {
-                            moveBookmarkUpMenuItem.setIcon(R.drawable.move_up_enabled_light);
-                        }
-                    }
-
-                    // Disable `moveBookmarkDownMenuItem` if the selected bookmark is at the bottom of the ListView.
-                    if (selectedBookmarkDatabaseId == lastBookmarkDatabaseId) {
-                        moveBookmarkDownMenuItem.setEnabled(false);
-                        moveBookmarkDownMenuItem.setIcon(R.drawable.move_down_disabled);
-                    } else {  // Otherwise enable `moveBookmarkDownMenuItem`.
-                        moveBookmarkDownMenuItem.setEnabled(true);
-
-                        // Set the icon according to the theme.
-                        if (MainWebViewActivity.darkTheme) {
-                            moveBookmarkDownMenuItem.setIcon(R.drawable.move_down_enabled_dark);
-                        } else {
-                            moveBookmarkDownMenuItem.setIcon(R.drawable.move_down_enabled_light);
-                        }
-                    }
-                } else {  // More than one bookmark is selected.
-                    // List the number of selected bookmarks in the subtitle.
-                    mode.setSubtitle(numberOfSelectedBookmarks + " " + getString(R.string.selected));
-
-                    // Hide non-applicable `MenuItems`.
-                    moveBookmarkUpMenuItem.setVisible(false);
-                    moveBookmarkDownMenuItem.setVisible(false);
-                    editBookmarkMenuItem.setVisible(false);
-                }
-
-                // Do not show `Select All` if all the bookmarks are already checked.
-                if (bookmarksListView.getCheckedItemIds().length == bookmarksListView.getCount()) {
-                    selectAllBookmarksMenuItem.setVisible(false);
-                } else {
-                    selectAllBookmarksMenuItem.setVisible(true);
-                }
-            }
-
-            @Override
-            public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
-                // Get the menu item ID.
-                int menuItemId = item.getItemId();
-
-                // Instantiate the common variables.
-                int numberOfBookmarks;
-                int selectedBookmarkNewPosition;
-                SparseBooleanArray bookmarkPositionSparseBooleanArray;
-
-                switch (menuItemId) {
-                    case R.id.move_bookmark_up:
-                        // Get the array of checked bookmarks.
-                        bookmarkPositionSparseBooleanArray = bookmarksListView.getCheckedItemPositions();
-
-                        // Store the position of the selected bookmark.
-                        selectedBookmarkPosition = bookmarkPositionSparseBooleanArray.keyAt(0);
-
-                        // Initialize `selectedBookmarkNewPosition`.
-                        selectedBookmarkNewPosition = 0;
-
-                        // Iterate through the bookmarks.
-                        for (int i = 0; i < bookmarksListView.getCount(); i++) {
-                            // Get the database ID for the current bookmark.
-                            int currentBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(i);
-
-                            // Update the display order for the current bookmark.
-                            if (i == selectedBookmarkPosition) {  // The current bookmark is the selected bookmark.
-                                // Move the current bookmark up one.
-                                bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i - 1);
-                                selectedBookmarkNewPosition = i - 1;
-                            } else if ((i + 1) == selectedBookmarkPosition){  // The current bookmark is immediately above the selected bookmark.
-                                // Move the current bookmark down one.
-                                bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i + 1);
-                            } else {  // The current bookmark is not changing positions.
-                                // Move `bookmarksCursor` to the current bookmark position.
-                                bookmarksCursor.moveToPosition(i);
-
-                                // Update the display order only if it is not correct in the database.
-                                if (bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)) != i) {
-                                    bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i);
-                                }
-                            }
-                        }
-
-                        // Refresh the ListView.
-                        updateBookmarksListView(currentFolder);
-
-                        // Select the previously selected bookmark in the new location.
-                        bookmarksListView.setItemChecked(selectedBookmarkNewPosition, true);
-
-                        // Scroll `bookmarksListView` to five items above `selectedBookmarkNewPosition`.
-                        bookmarksListView.setSelection(selectedBookmarkNewPosition - 5);
-
-                        break;
-
-                    case R.id.move_bookmark_down:
-                        // Get the array of checked bookmarks.
-                        bookmarkPositionSparseBooleanArray = bookmarksListView.getCheckedItemPositions();
-
-                        // Store the position of the selected bookmark.
-                        selectedBookmarkPosition = bookmarkPositionSparseBooleanArray.keyAt(0);
-
-                        // Initialize `selectedBookmarkNewPosition`.
-                        selectedBookmarkNewPosition = 0;
-
-                        // Iterate through the bookmarks.
-                        for (int i = 0; i <bookmarksListView.getCount(); i++) {
-                            // Get the database ID for the current bookmark.
-                            int currentBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(i);
-
-                            // Update the display order for the current bookmark.
-                            if (i == selectedBookmarkPosition) {  // The current bookmark is the selected bookmark.
-                                // Move the current bookmark down one.
-                                bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i + 1);
-                                selectedBookmarkNewPosition = i + 1;
-                            } else if ((i - 1) == selectedBookmarkPosition) {  // The current bookmark is immediately below the selected bookmark.
-                                // Move the bookmark below the selected bookmark up one.
-                                bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i - 1);
-                            } else {  // The current bookmark is not changing positions.
-                                // Move `bookmarksCursor` to the current bookmark position.
-                                bookmarksCursor.moveToPosition(i);
-
-                                // Update the display order only if it is not correct in the database.
-                                if (bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)) != i) {
-                                    bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i);
-                                }
-                            }
-                        }
-
-                        // Refresh the ListView.
-                        updateBookmarksListView(currentFolder);
-
-                        // Select the previously selected bookmark in the new location.
-                        bookmarksListView.setItemChecked(selectedBookmarkNewPosition, true);
-
-                        // Scroll `bookmarksListView` to five items above `selectedBookmarkNewPosition`.
-                        bookmarksListView.setSelection(selectedBookmarkNewPosition - 5);
-                        break;
-
-                    case R.id.move_to_folder:
-                        // Store `checkedItemIds` for use by the `AlertDialog`.
-                        checkedItemIds = bookmarksListView.getCheckedItemIds();
-
-                        // Show the `MoveToFolderDialog` `AlertDialog` and name the instance `@string/move_to_folder
-                        AppCompatDialogFragment moveToFolderDialog = new MoveToFolderDialog();
-                        moveToFolderDialog.show(getSupportFragmentManager(), getResources().getString(R.string.move_to_folder));
-                        break;
-
-                    case R.id.edit_bookmark:
-                        // Get the array of checked bookmarks.
-                        bookmarkPositionSparseBooleanArray = bookmarksListView.getCheckedItemPositions();
-
-                        // Store the position of the selected bookmark.
-                        selectedBookmarkPosition = bookmarkPositionSparseBooleanArray.keyAt(0);
-
-                        // Move to the selected database ID and find out if it is a folder.
-                        bookmarksCursor.moveToPosition(selectedBookmarkPosition);
-                        boolean isFolder = (bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1);
-
-                        // Store `checkedItemIds` for use by the `AlertDialog`.
-                        checkedItemIds = bookmarksListView.getCheckedItemIds();
-
-                        if (isFolder) {
-                            // Save the current folder name.
-                            oldFolderNameString = bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
-
-                            // Show the `EditBookmarkFolderDialog` `AlertDialog` and name the instance `@string/edit_folder`.
-                            AppCompatDialogFragment editFolderDialog = new EditBookmarkFolderDialog();
-                            editFolderDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_folder));
-                        } else {
-                            // Show the `EditBookmarkDialog` `AlertDialog` and name the instance `@string/edit_bookmark`.
-                            AppCompatDialogFragment editBookmarkDialog = new EditBookmarkDialog();
-                            editBookmarkDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_bookmark));
-                        }
-                        break;
-
-                    case R.id.delete_bookmark:
-                        // Get an array of the selected rows.
-                        final long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
-
-                        // Get the array of checked bookmarks.
-                        bookmarkPositionSparseBooleanArray = bookmarksListView.getCheckedItemPositions();
-
-                        // Store the position of the first selected bookmark.
-                        selectedBookmarkPosition = bookmarkPositionSparseBooleanArray.keyAt(0);
-
-                        updateBookmarksListViewExcept(selectedBookmarksLongArray, currentFolder);
-
-                        // Scroll to where the first deleted bookmark was located.
-                        bookmarksListView.setSelection(selectedBookmarkPosition - 5);
-
-                        // Create `snackbarMessage`.
-                        String snackbarMessage;
-
-                        // Determine how many items are in the array and prepare an appropriate Snackbar message.
-                        if (selectedBookmarksLongArray.length == 1) {
-                            snackbarMessage = getString(R.string.one_bookmark_deleted);
-                        } else {
-                            snackbarMessage = selectedBookmarksLongArray.length + " " + getString(R.string.bookmarks_deleted);
-                        }
-
-                        // Show a SnackBar.
-                        Snackbar.make(findViewById(R.id.bookmarks_coordinatorlayout), snackbarMessage, Snackbar.LENGTH_LONG)
-                                .setAction(R.string.undo, new View.OnClickListener() {
-                                    @Override
-                                    public void onClick(View view) {
-                                        // Do nothing because everything will be handled by `onDismissed()` below.
-                                    }
-                                })
-                                .addCallback(new Snackbar.Callback() {
-                                    @Override
-                                    public void onDismissed(Snackbar snackbar, int event) {
-                                        switch (event) {
-                                            // The user pushed the `Undo` button.
-                                            case Snackbar.Callback.DISMISS_EVENT_ACTION:
-                                                // Refresh the ListView to show the rows again.
-                                                updateBookmarksListView(currentFolder);
-
-                                                // Scroll to where the first deleted bookmark was located.
-                                                bookmarksListView.setSelection(selectedBookmarkPosition - 5);
-                                                break;
-
-                                            // The `Snackbar` was dismissed without the `Undo` button being pushed.
-                                            default:
-                                                // Delete each selected row.
-                                                for (long databaseIdLong : selectedBookmarksLongArray) {
-                                                    // Convert `databaseIdLong` to an int.
-                                                    int databaseIdInt = (int) databaseIdLong;
-
-                                                    if (bookmarksDatabaseHelper.isFolder(databaseIdInt)) {
-                                                        deleteBookmarkFolderContents(databaseIdInt);
-                                                    }
-
-                                                    // Delete `databaseIdInt`.
-                                                    bookmarksDatabaseHelper.deleteBookmark(databaseIdInt);
-                                                }
-
-                                                // Update the display order.
-                                                for (int i = 0; i < bookmarksListView.getCount(); i++) {
-                                                    // Get the database ID for the current bookmark.
-                                                    int currentBookmarkDatabaseId = (int) bookmarksListView.getItemIdAtPosition(i);
-
-                                                    // Move `bookmarksCursor` to the current bookmark position.
-                                                    bookmarksCursor.moveToPosition(i);
-
-                                                    // Update the display order only if it is not correct in the database.
-                                                    if (bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER)) != i) {
-                                                        bookmarksDatabaseHelper.updateDisplayOrder(currentBookmarkDatabaseId, i);
-                                                    }
-                                                }
-                                                break;
-                                        }
-                                    }
-                                })
-                                .show();
-
-                        // Close the contextual app bar.
-                        mode.finish();
-                        break;
-
-                    case R.id.context_menu_select_all_bookmarks:
-                        numberOfBookmarks = bookmarksListView.getCount();
-
-                        for (int i = 0; i < numberOfBookmarks; i++) {
-                            bookmarksListView.setItemChecked(i, true);
-                        }
-                        break;
-                }
-                // Consume the click.
-                return true;
-            }
-
-            @Override
-            public void onDestroyActionMode(ActionMode mode) {
-
-            }
-        });
-
-        // Set a FloatingActionButton for creating new bookmarks.
-        FloatingActionButton createBookmarkFAB = (FloatingActionButton) findViewById(R.id.create_bookmark_fab);
-        createBookmarkFAB.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                // Show the `CreateBookmarkDialog` `AlertDialog` and name the instance `@string/create_bookmark`.
-                AppCompatDialogFragment createBookmarkDialog = new CreateBookmarkDialog();
-                createBookmarkDialog.show(getSupportFragmentManager(), getResources().getString(R.string.create_bookmark));
-            }
-        });
-    }
-
-    @Override
-    public boolean onCreateOptionsMenu(Menu menu) {
-        // Inflate the menu.
-        getMenuInflater().inflate(R.menu.bookmarks_options_menu, menu);
-
-        // Success.
-        return true;
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem menuItem) {
-        // Get the ID of the `MenuItem` that was selected.
-        int menuItemId = menuItem.getItemId();
-
-        switch (menuItemId) {
-            case android.R.id.home:  // The home arrow is identified as `android.R.id.home`, not just `R.id.home`.
-                if (currentFolder.isEmpty()) {  // Exit BookmarksActivity if currently in the home folder.
-                    NavUtils.navigateUpFromSameTask(this);
-                } else {  // Navigate up one folder.
-                    // Place the former parent folder in `currentFolder`.
-                    currentFolder = bookmarksDatabaseHelper.getParentFolder(currentFolder);
-
-                    // Update `bookmarksListView`.
-                    updateBookmarksListView(currentFolder);
-                }
-                break;
-
-            case R.id.create_folder:
-                // Show the `CreateBookmarkFolderDialog` `AlertDialog` and name the instance `@string/create_folder`.
-                AppCompatDialogFragment createBookmarkFolderDialog = new CreateBookmarkFolderDialog();
-                createBookmarkFolderDialog.show(getSupportFragmentManager(), getResources().getString(R.string.create_folder));
-                break;
-
-            case R.id.options_menu_select_all_bookmarks:
-                int numberOfBookmarks = bookmarksListView.getCount();
-
-                for (int i = 0; i < numberOfBookmarks; i++) {
-                    bookmarksListView.setItemChecked(i, true);
-                }
-                break;
-
-            case R.id.bookmarks_database_view:
-                // Launch `BookmarksDatabaseViewActivity`.
-                Intent bookmarksDatabaseViewIntent = new Intent(this, BookmarksDatabaseViewActivity.class);
-                startActivity(bookmarksDatabaseViewIntent);
-                break;
-        }
-        return true;
-    }
-
-    @Override
-    public void onBackPressed() {
-        if (currentFolder.isEmpty()) {  // Exit BookmarksActivity if currently in the home folder.
-            super.onBackPressed();
-        } else {  // Navigate up one folder.
-            // Place the former parent folder in `currentFolder`.
-            currentFolder = bookmarksDatabaseHelper.getParentFolder(currentFolder);
-
-            // Reload the `ListView`.
-            updateBookmarksListView(currentFolder);
-        }
-    }
-
-    @Override
-    public void onCreateBookmark(AppCompatDialogFragment dialogFragment) {
-        // Get the `EditTexts` from the `dialogFragment`.
-        EditText createBookmarkNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.create_bookmark_name_edittext);
-        EditText createBookmarkUrlEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.create_bookmark_url_edittext);
-
-        // Extract the strings from the `EditTexts`.
-        String bookmarkNameString = createBookmarkNameEditText.getText().toString();
-        String bookmarkUrlString = createBookmarkUrlEditText.getText().toString();
-
-        // Convert the favoriteIcon Bitmap to a byte array.
-        ByteArrayOutputStream favoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
-        // `0` is for lossless compression (the only option for a PNG).
-        MainWebViewActivity.favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, favoriteIconByteArrayOutputStream);
-        byte[] favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray();
-
-        // Display the new bookmark below the current items in the (0 indexed) list.
-        int newBookmarkDisplayOrder = bookmarksListView.getCount();
-
-        // Create the bookmark.
-        bookmarksDatabaseHelper.createBookmark(bookmarkNameString, bookmarkUrlString, newBookmarkDisplayOrder, currentFolder, favoriteIconByteArray);
-
-        // Refresh the `ListView`.  `setSelection` scrolls to the bottom of the list.
-        updateBookmarksListView(currentFolder);
-        bookmarksListView.setSelection(newBookmarkDisplayOrder);
-    }
-
-    @Override
-    public void onCreateBookmarkFolder(AppCompatDialogFragment dialogFragment) {
-        // Get `create_folder_name_edit_text` and extract the string.
-        EditText createFolderNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.create_folder_name_edittext);
-        String folderNameString = createFolderNameEditText.getText().toString();
-
-        // Get the new folder icon `Bitmap`.
-        RadioButton defaultFolderIconRadioButton = (RadioButton) dialogFragment.getDialog().findViewById(R.id.create_folder_default_icon_radiobutton);
-        Bitmap folderIconBitmap;
-        if (defaultFolderIconRadioButton.isChecked()) {
-            // Get the default folder icon `ImageView` from the `Dialog` and convert it to a `Bitmap`.
-            ImageView folderIconImageView = (ImageView) dialogFragment.getDialog().findViewById(R.id.create_folder_default_icon);
-            Drawable folderIconDrawable = folderIconImageView.getDrawable();
-            BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
-            folderIconBitmap = folderIconBitmapDrawable.getBitmap();
-        } else {  // Assign `favoriteIcon` from the `WebView`.
-            folderIconBitmap = MainWebViewActivity.favoriteIconBitmap;
-        }
-
-        // Convert `folderIconBitmap` to a byte array.  `0` is for lossless compression (the only option for a PNG).
-        ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream();
-        folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream);
-        byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray();
-
-        // Move all the bookmarks down one in the display order.
-        for (int i = 0; i < bookmarksListView.getCount(); i++) {
-            int databaseId = (int) bookmarksListView.getItemIdAtPosition(i);
-            bookmarksDatabaseHelper.updateDisplayOrder(databaseId, i + 1);
-        }
-
-        // Create the folder, placing it at the top of the ListView
-        bookmarksDatabaseHelper.createFolder(folderNameString, 0, currentFolder, folderIconByteArray);
-
-        // Refresh the ListView.
-        updateBookmarksListView(currentFolder);
-    }
-
-    @Override
-    public void onSaveEditBookmark(AppCompatDialogFragment dialogFragment) {
-        // Get a long array with the the databaseId of the selected bookmark and convert it to an `int`.
-        long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
-        int selectedBookmarkDatabaseId = (int) selectedBookmarksLongArray[0];
-
-        // Get the `EditText`s from the `editBookmarkDialogFragment` and extract the strings.
-        EditText editBookmarkNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.edit_bookmark_name_edittext);
-        String bookmarkNameString = editBookmarkNameEditText.getText().toString();
-        EditText editBookmarkUrlEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.edit_bookmark_url_edittext);
-        String bookmarkUrlString = editBookmarkUrlEditText.getText().toString();
-
-        // Get `edit_bookmark_current_icon_radiobutton`.
-        RadioButton currentBookmarkIconRadioButton = (RadioButton) dialogFragment.getDialog().findViewById(R.id.edit_bookmark_current_icon_radiobutton);
-
-        if (currentBookmarkIconRadioButton.isChecked()) {  // Update the bookmark without changing the favorite icon.
-            bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString);
-        } else {  // Update the bookmark using the `WebView` favorite icon.
-            ByteArrayOutputStream newFavoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
-            MainWebViewActivity.favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFavoriteIconByteArrayOutputStream);
-            byte[] newFavoriteIconByteArray = newFavoriteIconByteArrayOutputStream.toByteArray();
-
-            //  Update the bookmark and the favorite icon.
-            bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, newFavoriteIconByteArray);
-        }
-
-        // Close the contextual action mode.
-        contextualActionMode.finish();
-
-        // Refresh the `ListView`.  `setSelection` scrolls to the position of the bookmark that was edited.
-        updateBookmarksListView(currentFolder);
-        bookmarksListView.setSelection(selectedBookmarkPosition);
-    }
-
-    @Override
-    public void onEditBookmarkFolder(AppCompatDialogFragment dialogFragment) {
-        // Get the new folder name.
-        EditText editFolderNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.edit_folder_name_edittext);
-        String newFolderNameString = editFolderNameEditText.getText().toString();
-
-        // Get a long array with the the database ID of the selected folder and convert it to an `int`.
-        long[] selectedFolderLongArray = bookmarksListView.getCheckedItemIds();
-        int selectedFolderDatabaseId = (int) selectedFolderLongArray[0];
-
-        // Get the `RadioButtons` from the `Dialog`.
-        RadioButton currentFolderIconRadioButton = (RadioButton) dialogFragment.getDialog().findViewById(R.id.edit_folder_current_icon_radiobutton);
-        RadioButton defaultFolderIconRadioButton = (RadioButton) dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon_radiobutton);
-
-        // Check if the favorite icon has changed.
-        if (currentFolderIconRadioButton.isChecked()) {  // Only the name has changed.
-            // Update the name in the database.
-            bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, oldFolderNameString, newFolderNameString);
-        } else if (!currentFolderIconRadioButton.isChecked() && newFolderNameString.equals(oldFolderNameString)) {  // Only the icon has changed.
-            // Get the new folder icon `Bitmap`.
-            Bitmap folderIconBitmap;
-            if (defaultFolderIconRadioButton.isChecked()) {
-                // Get the default folder icon `ImageView` from the `Drawable` and convert it to a `Bitmap`.
-                ImageView folderIconImageView = (ImageView) dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon);
-                Drawable folderIconDrawable = folderIconImageView.getDrawable();
-                BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
-                folderIconBitmap = folderIconBitmapDrawable.getBitmap();
-            } else {  // Get the web page icon `ImageView` from the `Dialog`.
-                folderIconBitmap = MainWebViewActivity.favoriteIconBitmap;
-            }
-
-            // Convert the folder `Bitmap` to a byte array.  `0` is for lossless compression (the only option for a PNG).
-            ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream();
-            folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream);
-            byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray();
-
-            // Update the folder icon in the database.
-            bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, folderIconByteArray);
-        } else {  // The folder icon and the name have changed.
-            // Get the new folder icon `Bitmap`.
-            Bitmap folderIconBitmap;
-            if (defaultFolderIconRadioButton.isChecked()) {
-                // Get the default folder icon `ImageView` from the `Drawable` and convert it to a `Bitmap`.
-                ImageView folderIconImageView = (ImageView) dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon);
-                Drawable folderIconDrawable = folderIconImageView.getDrawable();
-                BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
-                folderIconBitmap = folderIconBitmapDrawable.getBitmap();
-            } else {  // Get the web page icon `ImageView` from the `Dialog`.
-                folderIconBitmap = MainWebViewActivity.favoriteIconBitmap;
-            }
-
-            // Convert the folder `Bitmap` to a byte array.  `0` is for lossless compression (the only option for a PNG).
-            ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream();
-            folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream);
-            byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray();
-
-            // Update the folder name and icon in the database.
-            bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, oldFolderNameString, newFolderNameString, folderIconByteArray);
-        }
-
-        // Refresh the `ListView`.  `setSelection` scrolls to the position of the folder that was edited.
-        updateBookmarksListView(currentFolder);
-        bookmarksListView.setSelection(selectedBookmarkPosition - 5);
-
-        // Close the contextual action mode.
-        contextualActionMode.finish();
-    }
-
-    @Override
-    public void onMoveToFolder(AppCompatDialogFragment dialogFragment) {
-        // Get the new folder database id.
-        ListView folderListView = (ListView) dialogFragment.getDialog().findViewById(R.id.move_to_folder_listview);
-        long[] newFolderLongArray = folderListView.getCheckedItemIds();
-
-        // Get the new folder database ID.
-        int newFolderDatabaseId = (int) newFolderLongArray[0];
-
-        // Instantiate `newFolderName`.
-        String newFolderName;
-
-        if (newFolderDatabaseId == 0) {
-            // The new folder is the home folder, represented as `""` in the database.
-            newFolderName = "";
-        } else {
-            // Get the new folder name from the database.
-            newFolderName = bookmarksDatabaseHelper.getFolderName(newFolderDatabaseId);
-        }
-
-        // Get a long array with the the database ID of the selected bookmarks.
-        long[] selectedBookmarksLongArray = bookmarksListView.getCheckedItemIds();
-        for (long databaseIdLong : selectedBookmarksLongArray) {
-            // Get `databaseIdInt` for each selected bookmark.
-            int databaseIdInt = (int) databaseIdLong;
-
-            // Move the selected bookmark to the new folder.
-            bookmarksDatabaseHelper.moveToFolder(databaseIdInt, newFolderName);
-        }
-
-        // Refresh the `ListView`.
-        updateBookmarksListView(currentFolder);
-
-        // Close the contextual app bar.
-        contextualActionMode.finish();
-    }
-
-    private void updateBookmarksListView(String folderName) {
-        // Get a `Cursor` with the current contents of the bookmarks database.
-        bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(folderName);
-
-        // Setup `bookmarksCursorAdapter` with `this` context.  `false` disables `autoRequery`.
-        CursorAdapter bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
-            @Override
-            public View newView(Context context, Cursor cursor, ViewGroup parent) {
-                // Inflate the individual item layout.  `false` does not attach it to the root.
-                return getLayoutInflater().inflate(R.layout.bookmarks_item_linearlayout, parent, false);
-            }
-
-            @Override
-            public void bindView(View view, Context context, Cursor cursor) {
-                // Get the favorite icon byte array from the `Cursor`.
-                byte[] favoriteIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON));
-
-                // Convert the byte array to a `Bitmap` beginning at the first byte and ending at the last.
-                Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
-
-                // Display the bitmap in `bookmarkFavoriteIcon`.
-                ImageView bookmarkFavoriteIcon = (ImageView) view.findViewById(R.id.bookmark_favorite_icon);
-                bookmarkFavoriteIcon.setImageBitmap(favoriteIconBitmap);
-
-
-                // Get the bookmark name from the cursor and display it in `bookmarkNameTextView`.
-                String bookmarkNameString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
-                TextView bookmarkNameTextView = (TextView) view.findViewById(R.id.bookmark_name);
-                bookmarkNameTextView.setText(bookmarkNameString);
-
-                // Make the font bold for folders.
-                if (cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1) {
-                    bookmarkNameTextView.setTypeface(Typeface.DEFAULT_BOLD);
-                } else {  // Reset the font to default for normal bookmarks.
-                    bookmarkNameTextView.setTypeface(Typeface.DEFAULT);
-                }
-            }
-        };
-
-        // Update the ListView.
-        bookmarksListView.setAdapter(bookmarksCursorAdapter);
-
-        // Set the AppBar title.
-        if (currentFolder.isEmpty()) {
-            appBar.setTitle(R.string.bookmarks);
-        } else {
-            appBar.setTitle(currentFolder);
-        }
-    }
-
-    private void updateBookmarksListViewExcept(long[] exceptIdLongArray, String folderName) {
-        // Get a `Cursor` with the current contents of the bookmarks database except for the specified database IDs.
-        bookmarksCursor = bookmarksDatabaseHelper.getBookmarksCursorExcept(exceptIdLongArray, folderName);
-
-        // Setup `bookmarksCursorAdapter` with `this` context.  `false` disables autoRequery.
-        CursorAdapter bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
-            @Override
-            public View newView(Context context, Cursor cursor, ViewGroup parent) {
-                // Inflate the individual item layout.  `false` does not attach it to the root.
-                return getLayoutInflater().inflate(R.layout.bookmarks_item_linearlayout, parent, false);
-            }
-
-            @Override
-            public void bindView(View view, Context context, Cursor cursor) {
-                // Get the favorite icon byte array from the cursor.
-                byte[] favoriteIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON));
-
-                // Convert the byte array to a Bitmap beginning at the first byte and ending at the last.
-                Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
-
-                // Display the bitmap in `bookmarkFavoriteIcon`.
-                ImageView bookmarkFavoriteIcon = (ImageView) view.findViewById(R.id.bookmark_favorite_icon);
-                bookmarkFavoriteIcon.setImageBitmap(favoriteIconBitmap);
-
-
-                // Get the bookmark name from the cursor and display it in `bookmarkNameTextView`.
-                String bookmarkNameString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
-                TextView bookmarkNameTextView = (TextView) view.findViewById(R.id.bookmark_name);
-                bookmarkNameTextView.setText(bookmarkNameString);
-
-                // Make the font bold for folders.
-                if (cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1) {
-                    // The first argument is `null` because we don't want to change the font.
-                    bookmarkNameTextView.setTypeface(null, Typeface.BOLD);
-                } else {  // Reset the font to default.
-                    bookmarkNameTextView.setTypeface(Typeface.DEFAULT);
-                }
-            }
-        };
-
-        // Update the `ListView`.
-        bookmarksListView.setAdapter(bookmarksCursorAdapter);
-    }
-
-    private void deleteBookmarkFolderContents(int databaseId) {
-        // Get the name of the folder.
-        String folderName = bookmarksDatabaseHelper.getFolderName(databaseId);
-
-        // Get the contents of the folder.
-        Cursor folderCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(folderName);
-
-        for (int i = 0; i < folderCursor.getCount(); i++) {
-            // Move `folderCursor` to the current row.
-            folderCursor.moveToPosition(i);
-
-            // Get the database ID of the item.
-            int itemDatabaseId = folderCursor.getInt(folderCursor.getColumnIndex(BookmarksDatabaseHelper._ID));
-
-            // If this is a folder, delete the contents first.
-            if (bookmarksDatabaseHelper.isFolder(itemDatabaseId)) {
-                deleteBookmarkFolderContents(itemDatabaseId);
-            }
-
-            bookmarksDatabaseHelper.deleteBookmark(itemDatabaseId);
-        }
-    }
-}
\ No newline at end of file