/*
- * Copyright © 2016-2017 Soren Stoutner <soren@stoutner.com>.
+ * Copyright © 2016-2021 Soren Stoutner <soren@stoutner.com>.
*
* This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
*
package com.stoutner.privacybrowser.activities;
+import android.annotation.SuppressLint;
+import android.app.Dialog;
import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.content.res.Configuration;
import android.database.Cursor;
+import android.database.MatrixCursor;
+import android.database.MergeCursor;
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.v4.content.ContextCompat;
-import android.support.v4.widget.CursorAdapter;
-import android.support.v7.app.ActionBar;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.Toolbar;
+import android.preference.PreferenceManager;
+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.view.Window;
+import android.view.WindowManager;
+import android.widget.AbsListView;
+import android.widget.AdapterView;
+import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ListView;
+import android.widget.RadioButton;
+import android.widget.ResourceCursorAdapter;
+import android.widget.Spinner;
import android.widget.TextView;
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar; // The AndroidX toolbar must be used until the minimum API is >= 21.
+import androidx.core.content.ContextCompat;
+import androidx.cursoradapter.widget.CursorAdapter;
+import androidx.fragment.app.DialogFragment; // The AndroidX dialog fragment must be used or an error is produced on API <=22.
+
+import com.google.android.material.snackbar.Snackbar;
+
import com.stoutner.privacybrowser.R;
+import com.stoutner.privacybrowser.dialogs.EditBookmarkDatabaseViewDialog;
+import com.stoutner.privacybrowser.dialogs.EditBookmarkFolderDatabaseViewDialog;
import com.stoutner.privacybrowser.helpers.BookmarksDatabaseHelper;
-public class BookmarksDatabaseViewActivity extends AppCompatActivity {
- // `bookmarksDatabaseHelper` is used in `onCreate()` and `updateBookmarksListView()`.
- private BookmarksDatabaseHelper bookmarksDatabaseHelper;
+import java.io.ByteArrayOutputStream;
+import java.util.Arrays;
+
+public class BookmarksDatabaseViewActivity extends AppCompatActivity implements EditBookmarkDatabaseViewDialog.EditBookmarkDatabaseViewListener,
+ EditBookmarkFolderDatabaseViewDialog.EditBookmarkFolderDatabaseViewListener {
+ // Define the class constants.
+ private static final int ALL_FOLDERS_DATABASE_ID = -2;
+ public static final int HOME_FOLDER_DATABASE_ID = -1;
- // `bookmarksListView` is used in `onCreate()` and `updateBookmarksListView()`.
- private ListView bookmarksListView;
+ // Define the saved instance state constants.
+ private final String CURRENT_FOLDER_DATABASE_ID = "current_folder_database_id";
+ private final String CURRENT_FOLDER_NAME = "current_folder_name";
+ private final String SORT_BY_DISPLAY_ORDER = "sort_by_display_order";
+
+ // Define the class variables.
+ private int currentFolderDatabaseId;
+ private String currentFolderName;
+ private boolean sortByDisplayOrder;
+ private BookmarksDatabaseHelper bookmarksDatabaseHelper;
+ private Cursor bookmarksCursor;
+ private CursorAdapter bookmarksCursorAdapter;
+ private String oldFolderNameString;
+ private Snackbar bookmarksDeletedSnackbar;
+ private boolean closeActivityAfterDismissingSnackbar;
@Override
public void onCreate(Bundle savedInstanceState) {
+ // Get a handle for the shared preferences.
+ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+
+ // Get the preferences.
+ boolean allowScreenshots = sharedPreferences.getBoolean(getString(R.string.allow_screenshots_key), false);
+ boolean bottomAppBar = sharedPreferences.getBoolean(getString(R.string.bottom_app_bar_key), false);
+
+ // Disable screenshots if not allowed.
+ if (!allowScreenshots) {
+ getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
+ }
+
+ // Set the activity theme.
+ setTheme(R.style.PrivacyBrowser);
+
+ // Run the default commands.
super.onCreate(savedInstanceState);
- setContentView(R.layout.bookmarks_database_view_coordinatorlayout);
- // We need to use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
- final Toolbar bookmarksDatabaseViewAppBar = (Toolbar) findViewById(R.id.bookmarks_database_view_toolbar);
- setSupportActionBar(bookmarksDatabaseViewAppBar);
+ // Get the intent that launched the activity.
+ Intent launchingIntent = getIntent();
+
+ // Get the favorite icon byte array.
+ byte[] favoriteIconByteArray = launchingIntent.getByteArrayExtra("favorite_icon_byte_array");
+
+ // Remove the incorrect lint warning below that the favorite icon byte array might be null.
+ assert favoriteIconByteArray != null;
+
+ // Convert the favorite icon byte array to a bitmap and store it in a class variable.
+ Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
+
+ // Set the view according to the theme.
+ if (bottomAppBar) {
+ // Set the content view.
+ setContentView(R.layout.bookmarks_databaseview_coordinatorlayout_bottom_appbar);
+ } else {
+ // `Window.FEATURE_ACTION_MODE_OVERLAY` makes the contextual action mode cover the support action bar. It must be requested before the content is set.
+ supportRequestWindowFeature(Window.FEATURE_ACTION_MODE_OVERLAY);
+
+ // Set the content view.
+ setContentView(R.layout.bookmarks_databaseview_coordinatorlayout_top_appbar);
+ }
- // Display the home arrow on `SupportActionBar`.
- final ActionBar 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);
+ // Get a handle for the toolbar.
+ Toolbar toolbar = findViewById(R.id.bookmarks_databaseview_toolbar);
- // Initialize the database handler and the ListView.
- // `this` specifies the context. The two `null`s do not specify the database name or a `CursorFactory`.
- // The `0` is to specify a database version, but that is set instead using a constant in `BookmarksDatabaseHelper`.
+ // Set the support action bar.
+ setSupportActionBar(toolbar);
+
+ // Get a handle for the action bar.
+ ActionBar actionBar = getSupportActionBar();
+
+ // Remove the incorrect lint warning that the action bar might be null.
+ assert actionBar != null;
+
+ // Display the spinner and the back arrow in the action bar.
+ actionBar.setCustomView(R.layout.spinner);
+ actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM | ActionBar.DISPLAY_HOME_AS_UP);
+
+ // Initialize the database handler. The `0` is to specify a database version, but that is set instead using a constant in `BookmarksDatabaseHelper`.
bookmarksDatabaseHelper = new BookmarksDatabaseHelper(this, null, null, 0);
- bookmarksListView = (ListView) findViewById(R.id.bookmarks_database_view_listview);
- // Display the bookmarks in the ListView.
- updateBookmarksListView();
+ // Setup a matrix cursor for "All Folders" and "Home Folder".
+ String[] matrixCursorColumnNames = {BookmarksDatabaseHelper._ID, BookmarksDatabaseHelper.BOOKMARK_NAME};
+ MatrixCursor matrixCursor = new MatrixCursor(matrixCursorColumnNames);
+ matrixCursor.addRow(new Object[]{ALL_FOLDERS_DATABASE_ID, getString(R.string.all_folders)});
+ matrixCursor.addRow(new Object[]{HOME_FOLDER_DATABASE_ID, getString(R.string.home_folder)});
- }
+ // Get a cursor with the list of all the folders.
+ Cursor foldersCursor = bookmarksDatabaseHelper.getAllFolders();
- private void updateBookmarksListView() {
- // Get a `Cursor` with the current contents of the bookmarks database.
- final Cursor bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursor();
+ // Combine the matrix cursor and the folders cursor.
+ MergeCursor foldersMergeCursor = new MergeCursor(new Cursor[]{matrixCursor, foldersCursor});
+
+
+ // Get the default folder bitmap. `ContextCompat` must be used until the minimum API >= 21.
+ Drawable defaultFolderDrawable = ContextCompat.getDrawable(getApplicationContext(), R.drawable.folder_blue_bitmap);
+
+ // Cast the default folder drawable to a bitmap drawable.
+ BitmapDrawable defaultFolderBitmapDrawable = (BitmapDrawable) defaultFolderDrawable;
+
+ // Remove the incorrect lint warning that `.getBitmap()` might be null.
+ assert defaultFolderBitmapDrawable != null;
+
+ // Convert the default folder bitmap drawable to a bitmap.
+ Bitmap defaultFolderBitmap = defaultFolderBitmapDrawable.getBitmap();
+
+
+ // Create a resource cursor adapter for the spinner.
+ ResourceCursorAdapter foldersCursorAdapter = new ResourceCursorAdapter(this, R.layout.appbar_spinner_item, foldersMergeCursor, 0) {
+ @Override
+ public void bindView(View view, Context context, Cursor cursor) {
+ // Get handles for the spinner views.
+ ImageView spinnerItemImageView = view.findViewById(R.id.spinner_item_imageview);
+ TextView spinnerItemTextView = view.findViewById(R.id.spinner_item_textview);
+
+ // Set the folder icon according to the type.
+ if (foldersMergeCursor.getPosition() > 1) { // Set a user folder icon.
+ // Initialize a default folder icon byte array output stream.
+ ByteArrayOutputStream defaultFolderIconByteArrayOutputStream = new ByteArrayOutputStream();
+
+ // Covert the default folder bitmap to a PNG and store it in the output stream. `0` is for lossless compression (the only option for a PNG).
+ defaultFolderBitmap.compress(Bitmap.CompressFormat.PNG, 0, defaultFolderIconByteArrayOutputStream);
+
+ // Convert the default folder icon output stream to a byte array.
+ byte[] defaultFolderIconByteArray = defaultFolderIconByteArrayOutputStream.toByteArray();
+
+
+ // Get the folder icon byte array from the cursor.
+ byte[] folderIconByteArray = 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 folderIconBitmap = BitmapFactory.decodeByteArray(folderIconByteArray, 0, folderIconByteArray.length);
+
+
+ // Set the icon according to the type.
+ if (Arrays.equals(folderIconByteArray, defaultFolderIconByteArray)) { // The default folder icon is used.
+ // Set a smaller and darker folder icon, which works well with the spinner.
+ spinnerItemImageView.setImageDrawable(ContextCompat.getDrawable(context, R.drawable.folder_dark_blue));
+ } else { // A custom folder icon is uses.
+ // Set the folder image stored in the cursor.
+ spinnerItemImageView.setImageBitmap(folderIconBitmap);
+ }
+ } else { // Set the `All Folders` or `Home Folder` icon.
+ // Set the gray folder image. `ContextCompat` must be used until the minimum API >= 21.
+ spinnerItemImageView.setImageDrawable(ContextCompat.getDrawable(context, R.drawable.folder_gray));
+ }
+
+ // Set the text view to display the folder name.
+ spinnerItemTextView.setText(cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)));
+ }
+ };
+
+ // Set the resource cursor adapter drop drown view resource.
+ foldersCursorAdapter.setDropDownViewResource(R.layout.appbar_spinner_dropdown_item);
+
+ // Get a handle for the folder spinner and set the adapter.
+ Spinner folderSpinner = findViewById(R.id.spinner);
+ folderSpinner.setAdapter(foldersCursorAdapter);
- // Setup `bookmarksCursorAdapter` with `this` context. The `false` disables autoRequery.
- CursorAdapter bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
+ // Wait to set the on item selected listener until the spinner has been inflated. Otherwise the activity will crash on restart.
+ folderSpinner.post(() -> {
+ // Handle taps on the spinner dropdown.
+ folderSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
+ @Override
+ public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
+ // Store the current folder database ID.
+ currentFolderDatabaseId = (int) id;
+
+ // Get a handle for the selected view.
+ TextView selectedFolderTextView = findViewById(R.id.spinner_item_textview);
+
+ // Store the current folder name.
+ currentFolderName = selectedFolderTextView.getText().toString();
+
+ // Update the list view.
+ updateBookmarksListView();
+ }
+
+ @Override
+ public void onNothingSelected(AdapterView<?> parent) {
+ // Do nothing.
+ }
+ });
+ });
+
+
+ // Get a handle for the bookmarks listview.
+ ListView bookmarksListView = findViewById(R.id.bookmarks_databaseview_listview);
+
+ // Check to see if the activity was restarted.
+ if (savedInstanceState == null) { // The activity was not restarted.
+ // Set the default current folder database ID.
+ currentFolderDatabaseId = ALL_FOLDERS_DATABASE_ID;
+ } else { // The activity was restarted.
+ // Restore the class variables from the saved instance state.
+ currentFolderDatabaseId = savedInstanceState.getInt(CURRENT_FOLDER_DATABASE_ID);
+ currentFolderName = savedInstanceState.getString(CURRENT_FOLDER_NAME);
+ sortByDisplayOrder = savedInstanceState.getBoolean(SORT_BY_DISPLAY_ORDER);
+
+ // Update the spinner if the home folder is selected. Android handles this by default for the main cursor but not the matrix cursor.
+ if (currentFolderDatabaseId == HOME_FOLDER_DATABASE_ID) {
+ folderSpinner.setSelection(1);
+ }
+ }
+
+ // Update the bookmarks listview.
+ updateBookmarksListView();
+
+ // Setup a `CursorAdapter` with `this` context. `false` disables autoRequery.
+ 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_database_view_item_linearlayout, parent, false);
+ return getLayoutInflater().inflate(R.layout.bookmarks_databaseview_item_linearlayout, parent, false);
}
@Override
// Get the database ID from the `Cursor` and display it in `bookmarkDatabaseIdTextView`.
int bookmarkDatabaseId = cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper._ID));
- TextView bookmarkDatabaseIdTextView = (TextView) view.findViewById(R.id.bookmarks_database_view_database_id);
+ TextView bookmarkDatabaseIdTextView = view.findViewById(R.id.bookmarks_databaseview_database_id);
bookmarkDatabaseIdTextView.setText(String.valueOf(bookmarkDatabaseId));
// Get the favorite icon byte array from the `Cursor`.
// Convert the byte array to a `Bitmap` beginning at the 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.bookmarks_database_view_favorite_icon);
+ ImageView bookmarkFavoriteIcon = view.findViewById(R.id.bookmarks_databaseview_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.bookmarks_database_view_bookmark_name);
+ TextView bookmarkNameTextView = view.findViewById(R.id.bookmarks_databaseview_bookmark_name);
bookmarkNameTextView.setText(bookmarkNameString);
+
// Make the font bold for folders.
if (isFolder) {
- // The first argument is `null` because we don't want to change the font.
+ // The first argument is `null` prevent changing of the font.
bookmarkNameTextView.setTypeface(null, Typeface.BOLD);
} else { // Reset the font to default.
bookmarkNameTextView.setTypeface(Typeface.DEFAULT);
}
+ // Get the bookmark URL form the `Cursor` and display it in `bookmarkUrlTextView`.
+ String bookmarkUrlString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL));
+ TextView bookmarkUrlTextView = view.findViewById(R.id.bookmarks_databaseview_bookmark_url);
+ bookmarkUrlTextView.setText(bookmarkUrlString);
+
+ // Hide the URL if the bookmark is a folder.
+ if (isFolder) {
+ bookmarkUrlTextView.setVisibility(View.GONE);
+ } else {
+ bookmarkUrlTextView.setVisibility(View.VISIBLE);
+ }
+
// Get the display order from the `Cursor` and display it in `bookmarkDisplayOrderTextView`.
int bookmarkDisplayOrder = cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper.DISPLAY_ORDER));
- TextView bookmarkDisplayOrderTextView = (TextView) view.findViewById(R.id.bookmarks_database_view_display_order);
+ TextView bookmarkDisplayOrderTextView = view.findViewById(R.id.bookmarks_databaseview_display_order);
bookmarkDisplayOrderTextView.setText(String.valueOf(bookmarkDisplayOrder));
// Get the parent folder from the `Cursor` and display it in `bookmarkParentFolder`.
String bookmarkParentFolder = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.PARENT_FOLDER));
- ImageView parentFolderImageView = (ImageView) view.findViewById(R.id.bookmarks_database_view_parent_folder_icon);
- TextView bookmarkParentFolderTextView = (TextView) view.findViewById(R.id.bookmarks_database_view_parent_folder);
+ ImageView parentFolderImageView = view.findViewById(R.id.bookmarks_databaseview_parent_folder_icon);
+ TextView bookmarkParentFolderTextView = view.findViewById(R.id.bookmarks_databaseview_parent_folder);
+
// Make the folder name gray if it is the home folder.
if (bookmarkParentFolder.isEmpty()) {
parentFolderImageView.setImageDrawable(ContextCompat.getDrawable(getApplicationContext(), R.drawable.folder_gray));
} else {
parentFolderImageView.setImageDrawable(ContextCompat.getDrawable(getApplicationContext(), R.drawable.folder_dark_blue));
bookmarkParentFolderTextView.setText(bookmarkParentFolder);
- bookmarkParentFolderTextView.setTextColor(ContextCompat.getColor(getApplicationContext(), R.color.black));
- }
- // Get the bookmark URL form the `Cursor` and display it in `bookmarkUrlTextView`.
- String bookmarkUrlString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL));
- TextView bookmarkUrlTextView = (TextView) view.findViewById(R.id.bookmarks_database_view_bookmark_url);
- bookmarkUrlTextView.setText(bookmarkUrlString);
- if (isFolder) {
- bookmarkUrlTextView.setVisibility(View.GONE);
- } else {
- bookmarkUrlTextView.setVisibility(View.VISIBLE);
+ // Get the current theme status.
+ int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
+
+ // Set the text color according to the theme.
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_YES) {
+ // This color is a little darker than the default night mode text. But the effect is rather nice.
+ bookmarkParentFolderTextView.setTextColor(ContextCompat.getColor(getApplicationContext(), R.color.gray_300));
+ } else {
+ bookmarkParentFolderTextView.setTextColor(ContextCompat.getColor(getApplicationContext(), R.color.black));
+ }
}
}
};
// Update the ListView.
bookmarksListView.setAdapter(bookmarksCursorAdapter);
+
+ // Set a listener to edit a bookmark when it is tapped.
+ bookmarksListView.setOnItemClickListener((AdapterView<?> parent, View view, int position, long id) -> {
+ // Convert the database ID to an int.
+ int databaseId = (int) id;
+
+ // Show the edit bookmark or edit bookmark folder dialog.
+ if (bookmarksDatabaseHelper.isFolder(databaseId)) {
+ // Save the current folder name, which is used in `onSaveBookmarkFolder()`.
+ oldFolderNameString = bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
+
+ // Show the edit bookmark folder dialog.
+ DialogFragment editBookmarkFolderDatabaseViewDialog = EditBookmarkFolderDatabaseViewDialog.folderDatabaseId(databaseId, favoriteIconBitmap);
+ editBookmarkFolderDatabaseViewDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_folder));
+ } else {
+ // Show the edit bookmark dialog.
+ DialogFragment editBookmarkDatabaseViewDialog = EditBookmarkDatabaseViewDialog.bookmarkDatabaseId(databaseId, favoriteIconBitmap);
+ editBookmarkDatabaseViewDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_bookmark));
+ }
+ });
+
+ // Handle long presses on the list view.
+ bookmarksListView.setMultiChoiceModeListener(new AbsListView.MultiChoiceModeListener() {
+ // Instantiate the common variables.
+ MenuItem selectAllMenuItem;
+ MenuItem deleteMenuItem;
+ boolean deletingBookmarks;
+
+ @Override
+ public boolean onCreateActionMode(ActionMode mode, Menu menu) {
+ // Inflate the menu for the contextual app bar.
+ getMenuInflater().inflate(R.menu.bookmarks_databaseview_context_menu, menu);
+
+ // Set the title.
+ mode.setTitle(R.string.bookmarks);
+
+ // Get handles for the menu items.
+ selectAllMenuItem = menu.findItem(R.id.select_all);
+ deleteMenuItem = menu.findItem(R.id.delete);
+
+ // Disable the delete menu item if a delete is pending.
+ deleteMenuItem.setEnabled(!deletingBookmarks);
+
+ // Get the number of currently selected bookmarks.
+ int numberOfSelectedBookmarks = bookmarksListView.getCheckedItemCount();
+
+ // Set the action mode subtitle according to the number of selected bookmarks. This must be set here or it will be missing if the activity is restarted.
+ mode.setSubtitle(getString(R.string.selected) + " " + numberOfSelectedBookmarks);
+
+ // Do not show the select all menu item if all the bookmarks are already checked.
+ if (bookmarksListView.getCheckedItemCount() == bookmarksListView.getCount()) {
+ selectAllMenuItem.setVisible(false);
+ }
+
+ // Make it so.
+ return true;
+ }
+
+ @Override
+ public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
+ // Do nothing.
+ return false;
+ }
+
+ @Override
+ public void onItemCheckedStateChanged(ActionMode mode, int position, long id, boolean checked) {
+ // Calculate the number of selected bookmarks.
+ int numberOfSelectedBookmarks = bookmarksListView.getCheckedItemCount();
+
+ // Only run the commands if at least one bookmark is selected. Otherwise, a context menu with 0 selected bookmarks is briefly displayed.
+ if (numberOfSelectedBookmarks > 0) {
+ // Update the action mode subtitle according to the number of selected bookmarks.
+ mode.setSubtitle(getString(R.string.selected) + " " + numberOfSelectedBookmarks);
+
+ // Only show the select all menu item if all of the bookmarks are not already selected.
+ selectAllMenuItem.setVisible(bookmarksListView.getCheckedItemCount() != bookmarksListView.getCount());
+
+ // Convert the database ID to an int.
+ int databaseId = (int) id;
+
+ // If a folder was selected, also select all the contents.
+ if (checked && bookmarksDatabaseHelper.isFolder(databaseId)) {
+ selectAllBookmarksInFolder(databaseId);
+ }
+
+ // Do not allow a bookmark to be deselected if the folder is selected.
+ if (!checked) {
+ // Get the folder name.
+ String folderName = bookmarksDatabaseHelper.getParentFolderName((int) id);
+
+ // If the bookmark is not in the root folder, check to see if the folder is selected.
+ if (!folderName.isEmpty()) {
+ // Get the database ID of the folder.
+ int folderDatabaseId = bookmarksDatabaseHelper.getFolderDatabaseId(folderName);
+
+ // Move the bookmarks cursor to the first position.
+ bookmarksCursor.moveToFirst();
+
+ // Initialize the folder position variable.
+ int folderPosition = -1;
+
+ // Get the position of the folder in the bookmarks cursor.
+ while ((folderPosition < 0) && (bookmarksCursor.getPosition() < bookmarksCursor.getCount())) {
+ // Check if the folder database ID matches the bookmark database ID.
+ if (folderDatabaseId == bookmarksCursor.getInt((bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper._ID)))) {
+ // Get the folder position.
+ folderPosition = bookmarksCursor.getPosition();
+
+ // Check if the folder is selected.
+ if (bookmarksListView.isItemChecked(folderPosition)) {
+ // Reselect the bookmark.
+ bookmarksListView.setItemChecked(position, true);
+
+ // Display a snackbar explaining why the bookmark cannot be deselected.
+ Snackbar.make(bookmarksListView, R.string.cannot_deselect_bookmark, Snackbar.LENGTH_LONG).show();
+ }
+ }
+
+ // Increment the bookmarks cursor.
+ bookmarksCursor.moveToNext();
+ }
+ }
+ }
+ }
+ }
+
+ @Override
+ public boolean onActionItemClicked(ActionMode mode, MenuItem menuItem) {
+ // Get a the menu item ID.
+ int menuItemId = menuItem.getItemId();
+
+ // Run the command that corresponds to the selected menu item.
+ if (menuItemId == R.id.select_all) { // Select all the bookmarks.
+ // Get the total number of bookmarks.
+ int numberOfBookmarks = bookmarksListView.getCount();
+
+ // Select them all.
+ for (int i = 0; i < numberOfBookmarks; i++) {
+ bookmarksListView.setItemChecked(i, true);
+ }
+ } else if (menuItemId == R.id.delete) { // Delete the selected bookmarks.
+ // Set the deleting bookmarks flag, which prevents the delete menu item from being enabled until the current process finishes.
+ deletingBookmarks = true;
+
+ // Get an array of the selected row IDs.
+ long[] selectedBookmarksIdsLongArray = bookmarksListView.getCheckedItemIds();
+
+ // Get an array of checked bookmarks. `.clone()` makes a copy that won't change if the list view is reloaded, which is needed for re-selecting the bookmarks on undelete.
+ SparseBooleanArray selectedBookmarksPositionsSparseBooleanArray = bookmarksListView.getCheckedItemPositions().clone();
+
+ // Update the bookmarks cursor with the current contents of the bookmarks database except for the specified database IDs.
+ switch (currentFolderDatabaseId) {
+ // Get a cursor with all the folders.
+ case ALL_FOLDERS_DATABASE_ID:
+ if (sortByDisplayOrder) {
+ bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksByDisplayOrderExcept(selectedBookmarksIdsLongArray);
+ } else {
+ bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksExcept(selectedBookmarksIdsLongArray);
+ }
+ break;
+
+ // Get a cursor for the home folder.
+ case HOME_FOLDER_DATABASE_ID:
+ if (sortByDisplayOrder) {
+ bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrderExcept(selectedBookmarksIdsLongArray, "");
+ } else {
+ bookmarksCursor = bookmarksDatabaseHelper.getBookmarksExcept(selectedBookmarksIdsLongArray, "");
+ }
+ break;
+
+ // Display the selected folder.
+ default:
+ // Get a cursor for the selected folder.
+ if (sortByDisplayOrder) {
+ bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrderExcept(selectedBookmarksIdsLongArray, currentFolderName);
+ } else {
+ bookmarksCursor = bookmarksDatabaseHelper.getBookmarksExcept(selectedBookmarksIdsLongArray, currentFolderName);
+ }
+ }
+
+ // Update the list view.
+ bookmarksCursorAdapter.changeCursor(bookmarksCursor);
+
+ // Create a Snackbar with the number of deleted bookmarks.
+ bookmarksDeletedSnackbar = Snackbar.make(findViewById(R.id.bookmarks_databaseview_coordinatorlayout),
+ getString(R.string.bookmarks_deleted) + " " + selectedBookmarksIdsLongArray.length, Snackbar.LENGTH_LONG)
+ .setAction(R.string.undo, view -> {
+ // Do nothing because everything will be handled by `onDismissed()` below.
+ })
+ .addCallback(new Snackbar.Callback() {
+ @SuppressLint("SwitchIntDef") // Ignore the lint warning about not handling the other possible events as they are covered by `default:`.
+ @Override
+ public void onDismissed(Snackbar snackbar, int event) {
+ if (event == Snackbar.Callback.DISMISS_EVENT_ACTION) { // The user pushed the undo button.
+ // Update the bookmarks list view with the current contents of the bookmarks database, including the "deleted bookmarks.
+ updateBookmarksListView();
+
+ // Re-select the previously selected bookmarks.
+ for (int i = 0; i < selectedBookmarksPositionsSparseBooleanArray.size(); i++) {
+ bookmarksListView.setItemChecked(selectedBookmarksPositionsSparseBooleanArray.keyAt(i), true);
+ }
+ } else { // The Snackbar was dismissed without the undo button being pushed.
+ // Delete each selected bookmark.
+ for (long databaseIdLong : selectedBookmarksIdsLongArray) {
+ // Convert `databaseIdLong` to an int.
+ int databaseIdInt = (int) databaseIdLong;
+
+ // Delete the selected bookmark.
+ bookmarksDatabaseHelper.deleteBookmark(databaseIdInt);
+ }
+ }
+
+ // Reset the deleting bookmarks flag.
+ deletingBookmarks = false;
+
+ // Enable the delete menu item.
+ deleteMenuItem.setEnabled(true);
+
+ // Close the activity if back has been pressed.
+ if (closeActivityAfterDismissingSnackbar) {
+ onBackPressed();
+ }
+ }
+ });
+
+ // Show the Snackbar.
+ bookmarksDeletedSnackbar.show();
+ }
+
+ // Consume the click.
+ return false;
+ }
+
+ @Override
+ public void onDestroyActionMode(ActionMode mode) {
+ // Do nothing.
+ }
+ });
+ }
+
+ @Override
+ public boolean onCreateOptionsMenu(Menu menu) {
+ // Inflate the menu.
+ getMenuInflater().inflate(R.menu.bookmarks_databaseview_options_menu, menu);
+
+ // Get the current theme status.
+ int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
+
+ // Get a handle for the sort menu item.
+ MenuItem sortMenuItem = menu.findItem(R.id.sort);
+
+ // Change the sort menu item icon if the listview is sorted by display order, which restores the state after a restart.
+ if (sortByDisplayOrder) {
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) {
+ sortMenuItem.setIcon(R.drawable.sort_selected_day);
+ } else {
+ sortMenuItem.setIcon(R.drawable.sort_selected_night);
+ }
+ }
+
+ // Success.
+ return true;
+ }
+
+ @Override
+ public boolean onOptionsItemSelected(MenuItem menuItem) {
+ // Get the menu item ID.
+ int menuItemId = menuItem.getItemId();
+
+ // Run the command that corresponds to the selected menu item.
+ if (menuItemId == android.R.id.home) { // Go Home. The home arrow is identified as `android.R.id.home`, not just `R.id.home`.
+ // Exit the activity.
+ onBackPressed();
+ } else if (menuItemId == R.id.sort) { // Toggle the sort mode.
+ // Update the sort by display order tracker.
+ sortByDisplayOrder = !sortByDisplayOrder;
+
+ // Get a handle for the bookmarks list view.
+ ListView bookmarksListView = findViewById(R.id.bookmarks_databaseview_listview);
+
+ // Get the current theme status.
+ int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
+
+ // Update the icon and display a snackbar.
+ if (sortByDisplayOrder) { // Sort by display order.
+ // Update the icon according to the theme.
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) {
+ menuItem.setIcon(R.drawable.sort_selected_day);
+ } else {
+ menuItem.setIcon(R.drawable.sort_selected_night);
+ }
+
+ // Display a Snackbar indicating the current sort type.
+ Snackbar.make(bookmarksListView, R.string.sorted_by_display_order, Snackbar.LENGTH_SHORT).show();
+ } else { // Sort by database id.
+ // Update the icon according to the theme.
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) {
+ menuItem.setIcon(R.drawable.sort_day);
+ } else {
+ menuItem.setIcon(R.drawable.sort_night);
+ }
+
+ // Display a Snackbar indicating the current sort type.
+ Snackbar.make(bookmarksListView, R.string.sorted_by_database_id, Snackbar.LENGTH_SHORT).show();
+ }
+
+ // Update the list view.
+ updateBookmarksListView();
+ }
+
+ // Consume the event.
+ return true;
+ }
+
+ @Override
+ public void onSaveInstanceState (@NonNull Bundle savedInstanceState) {
+ // Run the default commands.
+ super.onSaveInstanceState(savedInstanceState);
+
+ // Store the class variables in the bundle.
+ savedInstanceState.putInt(CURRENT_FOLDER_DATABASE_ID, currentFolderDatabaseId);
+ savedInstanceState.putString(CURRENT_FOLDER_NAME, currentFolderName);
+ savedInstanceState.putBoolean(SORT_BY_DISPLAY_ORDER, sortByDisplayOrder);
+ }
+
+ @Override
+ public void onBackPressed() {
+ // Check to see if a snackbar is currently displayed. If so, it must be closed before existing so that a pending delete is completed before reloading the list view in the bookmarks activity.
+ if ((bookmarksDeletedSnackbar != null) && bookmarksDeletedSnackbar.isShown()) { // Close the bookmarks deleted snackbar before going home.
+ // Set the close flag.
+ closeActivityAfterDismissingSnackbar = true;
+
+ // Dismiss the snackbar.
+ bookmarksDeletedSnackbar.dismiss();
+ } else { // Go home immediately.
+ // Update the current folder in the bookmarks activity.
+ if ((currentFolderDatabaseId == ALL_FOLDERS_DATABASE_ID) || (currentFolderDatabaseId == HOME_FOLDER_DATABASE_ID)) { // All folders or the the home folder are currently displayed.
+ // Load the home folder.
+ BookmarksActivity.currentFolder = "";
+ } else { // A subfolder is currently displayed.
+ // Load the current folder.
+ BookmarksActivity.currentFolder = currentFolderName;
+ }
+
+ // Reload the bookmarks list view when returning to the bookmarks activity.
+ BookmarksActivity.restartFromBookmarksDatabaseViewActivity = true;
+
+ // Exit the bookmarks database view activity.
+ super.onBackPressed();
+ }
+ }
+
+ private void updateBookmarksListView() {
+ // Populate the bookmarks list view based on the spinner selection.
+ switch (currentFolderDatabaseId) {
+ // Get a cursor with all the folders.
+ case ALL_FOLDERS_DATABASE_ID:
+ if (sortByDisplayOrder) {
+ bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksByDisplayOrder();
+ } else {
+ bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarks();
+ }
+ break;
+
+ // Get a cursor for the home folder.
+ case HOME_FOLDER_DATABASE_ID:
+ if (sortByDisplayOrder) {
+ bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder("");
+ } else {
+ bookmarksCursor = bookmarksDatabaseHelper.getBookmarks("");
+ }
+ break;
+
+ // Display the selected folder.
+ default:
+ // Get a cursor for the selected folder.
+ if (sortByDisplayOrder) {
+ bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentFolderName);
+ } else {
+ bookmarksCursor = bookmarksDatabaseHelper.getBookmarks(currentFolderName);
+ }
+ }
+
+ // Update the cursor adapter if it isn't null, which happens when the activity is restarted.
+ if (bookmarksCursorAdapter != null) {
+ bookmarksCursorAdapter.changeCursor(bookmarksCursor);
+ }
+ }
+
+ private void selectAllBookmarksInFolder(int folderId) {
+ // Get a handle for the bookmarks list view.
+ ListView bookmarksListView = findViewById(R.id.bookmarks_databaseview_listview);
+
+ // Get the folder name.
+ String folderName = bookmarksDatabaseHelper.getFolderName(folderId);
+
+ // Get a cursor with the contents of the folder.
+ Cursor folderCursor = bookmarksDatabaseHelper.getBookmarks(folderName);
+
+ // Move to the beginning of the cursor.
+ folderCursor.moveToFirst();
+
+ while (folderCursor.getPosition() < folderCursor.getCount()) {
+ // Get the bookmark database ID.
+ int bookmarkId = folderCursor.getInt(folderCursor.getColumnIndex(BookmarksDatabaseHelper._ID));
+
+ // Move the bookmarks cursor to the first position.
+ bookmarksCursor.moveToFirst();
+
+ // Initialize the bookmark position variable.
+ int bookmarkPosition = -1;
+
+ // Get the position of this bookmark in the bookmarks cursor.
+ while ((bookmarkPosition < 0) && (bookmarksCursor.getPosition() < bookmarksCursor.getCount())) {
+ // Check if the bookmark IDs match.
+ if (bookmarkId == bookmarksCursor.getInt(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper._ID))) {
+ // Get the bookmark position.
+ bookmarkPosition = bookmarksCursor.getPosition();
+
+ // If this bookmark is a folder, select all the bookmarks inside it.
+ if (bookmarksDatabaseHelper.isFolder(bookmarkId)) {
+ selectAllBookmarksInFolder(bookmarkId);
+ }
+
+ // Select the bookmark.
+ bookmarksListView.setItemChecked(bookmarkPosition, true);
+ }
+
+ // Increment the bookmarks cursor position.
+ bookmarksCursor.moveToNext();
+ }
+
+ // Move to the next position.
+ folderCursor.moveToNext();
+ }
+ }
+
+ @Override
+ public void onSaveBookmark(DialogFragment dialogFragment, int selectedBookmarkDatabaseId, @NonNull Bitmap favoriteIconBitmap) {
+ // Get the dialog from the dialog fragment.
+ Dialog dialog = dialogFragment.getDialog();
+
+ // Remove the incorrect lint warning below that the dialog might be null.
+ assert dialog != null;
+
+ // Get handles for the views from dialog fragment.
+ RadioButton currentIconRadioButton = dialog.findViewById(R.id.current_icon_radiobutton);
+ EditText bookmarkNameEditText = dialog.findViewById(R.id.bookmark_name_edittext);
+ EditText bookmarkUrlEditText = dialog.findViewById(R.id.bookmark_url_edittext);
+ Spinner folderSpinner = dialog.findViewById(R.id.bookmark_folder_spinner);
+ EditText displayOrderEditText = dialog.findViewById(R.id.bookmark_display_order_edittext);
+
+ // Extract the bookmark information.
+ String bookmarkNameString = bookmarkNameEditText.getText().toString();
+ String bookmarkUrlString = bookmarkUrlEditText.getText().toString();
+ int folderDatabaseId = (int) folderSpinner.getSelectedItemId();
+ int displayOrderInt = Integer.parseInt(displayOrderEditText.getText().toString());
+
+ // Instantiate the parent folder name `String`.
+ String parentFolderNameString;
+
+ // Set the parent folder name.
+ if (folderDatabaseId == HOME_FOLDER_DATABASE_ID) { // The home folder is selected. Use `""`.
+ parentFolderNameString = "";
+ } else { // Get the parent folder name from the database.
+ parentFolderNameString = bookmarksDatabaseHelper.getFolderName(folderDatabaseId);
+ }
+
+ // Update the bookmark.
+ if (currentIconRadioButton.isChecked()) { // Update the bookmark without changing the favorite icon.
+ bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, parentFolderNameString, displayOrderInt);
+ } else { // Update the bookmark using the `WebView` favorite icon.
+ // Create a favorite icon byte array output stream.
+ ByteArrayOutputStream newFavoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
+
+ // Convert the favorite icon bitmap to a byte array. `0` is for lossless compression (the only option for a PNG).
+ favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFavoriteIconByteArrayOutputStream);
+
+ // Convert the favorite icon byte array stream to a byte array.
+ byte[] newFavoriteIconByteArray = newFavoriteIconByteArrayOutputStream.toByteArray();
+
+ // Update the bookmark and the favorite icon.
+ bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, parentFolderNameString, displayOrderInt, newFavoriteIconByteArray);
+ }
+
+ // Update the list view.
+ updateBookmarksListView();
+ }
+
+ @Override
+ public void onSaveBookmarkFolder(DialogFragment dialogFragment, int selectedBookmarkDatabaseId, @NonNull Bitmap favoriteIconBitmap) {
+ // Get the dialog from the dialog fragment.
+ Dialog dialog = dialogFragment.getDialog();
+
+ // Remove the incorrect lint warning below that the dialog might be null.
+ assert dialog != null;
+
+ // Get handles for the views from dialog fragment.
+ RadioButton currentIconRadioButton = dialog.findViewById(R.id.current_icon_radiobutton);
+ RadioButton defaultIconRadioButton = dialog.findViewById(R.id.default_icon_radiobutton);
+ ImageView defaultIconImageView = dialog.findViewById(R.id.default_icon_imageview);
+ EditText folderNameEditText = dialog.findViewById(R.id.folder_name_edittext);
+ Spinner parentFolderSpinner = dialog.findViewById(R.id.parent_folder_spinner);
+ EditText displayOrderEditText = dialog.findViewById(R.id.display_order_edittext);
+
+ // Extract the folder information.
+ String newFolderNameString = folderNameEditText.getText().toString();
+ int parentFolderDatabaseId = (int) parentFolderSpinner.getSelectedItemId();
+ int displayOrderInt = Integer.parseInt(displayOrderEditText.getText().toString());
+
+ // Instantiate the parent folder name `String`.
+ String parentFolderNameString;
+
+ // Set the parent folder name.
+ if (parentFolderDatabaseId == HOME_FOLDER_DATABASE_ID) { // The home folder is selected. Use `""`.
+ parentFolderNameString = "";
+ } else { // Get the parent folder name from the database.
+ parentFolderNameString = bookmarksDatabaseHelper.getFolderName(parentFolderDatabaseId);
+ }
+
+ // Update the folder.
+ if (currentIconRadioButton.isChecked()) { // Update the folder without changing the favorite icon.
+ bookmarksDatabaseHelper.updateFolder(selectedBookmarkDatabaseId, oldFolderNameString, newFolderNameString, parentFolderNameString, displayOrderInt);
+ } else { // Update the folder and the icon.
+ // Create the new folder icon Bitmap.
+ Bitmap folderIconBitmap;
+
+ // Populate the new folder icon bitmap.
+ if (defaultIconRadioButton.isChecked()) {
+ // Get the default folder icon drawable.
+ Drawable folderIconDrawable = defaultIconImageView.getDrawable();
+
+ // Convert the folder icon drawable to a bitmap drawable.
+ BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
+
+ // Convert the folder icon bitmap drawable to a bitmap.
+ folderIconBitmap = folderIconBitmapDrawable.getBitmap();
+ } else { // Use the `WebView` favorite icon.
+ // Get a copy of the favorite icon bitmap.
+ folderIconBitmap = favoriteIconBitmap;
+ }
+
+ // Create a folder icon byte array output stream.
+ ByteArrayOutputStream newFolderIconByteArrayOutputStream = new ByteArrayOutputStream();
+
+ // Convert the folder icon bitmap to a byte array. `0` is for lossless compression (the only option for a PNG).
+ folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFolderIconByteArrayOutputStream);
+
+ // Convert the folder icon byte array stream to a byte array.
+ byte[] newFolderIconByteArray = newFolderIconByteArrayOutputStream.toByteArray();
+
+ // Update the folder and the icon.
+ bookmarksDatabaseHelper.updateFolder(selectedBookmarkDatabaseId, oldFolderNameString, newFolderNameString, parentFolderNameString, displayOrderInt, newFolderIconByteArray);
+ }
+
+ // Update the list view.
+ updateBookmarksListView();
+ }
+
+ @Override
+ public void onDestroy() {
+ // Close the bookmarks cursor and database.
+ bookmarksCursor.close();
+ bookmarksDatabaseHelper.close();
+
+ // Run the default commands.
+ super.onDestroy();
}
}
\ No newline at end of file