+++ /dev/null
-/*
- * Copyright © 2016-2020 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.dialogs;
-
-import android.annotation.SuppressLint;
-import android.app.Dialog;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.SharedPreferences;
-import android.database.Cursor;
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
-import android.os.Bundle;
-import android.preference.PreferenceManager;
-import android.text.Editable;
-import android.text.TextWatcher;
-import android.view.KeyEvent;
-import android.view.View;
-import android.view.WindowManager;
-import android.widget.Button;
-import android.widget.EditText;
-import android.widget.ImageView;
-import android.widget.RadioButton;
-import android.widget.RadioGroup;
-
-import androidx.annotation.NonNull;
-import androidx.appcompat.app.AlertDialog;
-import androidx.fragment.app.DialogFragment;
-
-import com.stoutner.privacybrowser.R;
-import com.stoutner.privacybrowser.helpers.BookmarksDatabaseHelper;
-
-import java.io.ByteArrayOutputStream;
-
-public class EditBookmarkDialog extends DialogFragment {
- // Define the edit bookmark listener.
- private EditBookmarkListener editBookmarkListener;
-
- // The public interface is used to send information back to the parent activity.
- public interface EditBookmarkListener {
- void onSaveBookmark(DialogFragment dialogFragment, int selectedBookmarkDatabaseId, Bitmap favoriteIconBitmap);
- }
-
- public void onAttach(@NonNull Context context) {
- // Run the default commands.
- super.onAttach(context);
-
- // Get a handle for `EditBookmarkListener` from the launching context.
- editBookmarkListener = (EditBookmarkListener) context;
- }
-
- // Store the database ID in the arguments bundle.
- public static EditBookmarkDialog bookmarkDatabaseId(int databaseId, Bitmap favoriteIconBitmap) {
- // Create a favorite icon byte array output stream.
- ByteArrayOutputStream favoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
-
- // Convert the favorite icon to a PNG and place it in the byte array output stream. `0` is for lossless compression (the only option for a PNG).
- favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, favoriteIconByteArrayOutputStream);
-
- // Convert the byte array output stream to a byte array.
- byte[] favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray();
-
- // Create an arguments bundle.
- Bundle argumentsBundle = new Bundle();
-
- // Store the variables in the bundle.
- argumentsBundle.putInt("database_id", databaseId);
- argumentsBundle.putByteArray("favorite_icon_byte_array", favoriteIconByteArray);
-
- // Create a new instance of the dialog.
- EditBookmarkDialog editBookmarkDialog = new EditBookmarkDialog();
-
- // Add the arguments bundle to the dialog.
- editBookmarkDialog.setArguments(argumentsBundle);
-
- // Return the new dialog.
- return editBookmarkDialog;
- }
-
- // `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
- @SuppressLint("InflateParams")
- @Override
- @NonNull
- public Dialog onCreateDialog(Bundle savedInstanceState) {
- // Get the arguments.
- Bundle arguments = getArguments();
-
- // Remove the incorrect lint warning below that the arguments might be null.
- assert arguments != null;
-
- // Store the bookmark database ID in the class variable.
- int selectedBookmarkDatabaseId = arguments.getInt("database_id");
-
- // Get the favorite icon byte array.
- byte[] favoriteIconByteArray = arguments.getByteArray("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.
- Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
-
- // Initialize the database helper. The `0` specifies a database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
- BookmarksDatabaseHelper bookmarksDatabaseHelper = new BookmarksDatabaseHelper(getContext(), null, null, 0);
-
- // Get a `Cursor` with the selected bookmark and move it to the first position.
- Cursor bookmarkCursor = bookmarksDatabaseHelper.getBookmark(selectedBookmarkDatabaseId);
- bookmarkCursor.moveToFirst();
-
- // Use an alert dialog builder to create the alert dialog.
- AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(requireContext(), R.style.PrivacyBrowserAlertDialog);
-
- // Set the title.
- dialogBuilder.setTitle(R.string.edit_bookmark);
-
- // Remove the incorrect lint warning that `getActivity().getLayoutInflater()` might be null.
- assert getActivity() != null;
-
- // Set the view. The parent view is null because it will be assigned by the alert dialog.
- dialogBuilder.setView(getActivity().getLayoutInflater().inflate(R.layout.edit_bookmark_dialog, null));
-
- // Set the cancel button listener.
- dialogBuilder.setNegativeButton(R.string.cancel, (DialogInterface dialog, int which) -> {
- // Do nothing. The alert dialog will close automatically.
- });
-
- // Set the save button listener.
- dialogBuilder.setPositiveButton(R.string.save, (DialogInterface dialog, int which) -> {
- // Return the dialog fragment to the parent activity.
- editBookmarkListener.onSaveBookmark(this, selectedBookmarkDatabaseId, favoriteIconBitmap);
- });
-
- // Create an alert dialog from the builder.
- final AlertDialog alertDialog = dialogBuilder.create();
-
- // remove the incorrect lint warning below that `getWindow().addFlags()` might be null.
- assert alertDialog.getWindow() != null;
-
- // Get a handle for the shared preferences.
- SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getContext());
-
- // Get the screenshot preference.
- boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
-
- // Disable screenshots if not allowed.
- if (!allowScreenshots) {
- alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
- }
-
- // The alert dialog must be shown before items in the layout can be modified.
- alertDialog.show();
-
- // Get handles for the layout items.
- RadioGroup iconRadioGroup = alertDialog.findViewById(R.id.edit_bookmark_icon_radiogroup);
- ImageView currentIconImageView = alertDialog.findViewById(R.id.edit_bookmark_current_icon);
- ImageView newFavoriteIconImageView = alertDialog.findViewById(R.id.edit_bookmark_webpage_favorite_icon);
- EditText nameEditText = alertDialog.findViewById(R.id.edit_bookmark_name_edittext);
- EditText urlEditText = alertDialog.findViewById(R.id.edit_bookmark_url_edittext);
- Button editButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
-
- // Remove the incorrect lint warnings below that the views might be null.
- assert iconRadioGroup != null;
- assert currentIconImageView != null;
- assert newFavoriteIconImageView != null;
- assert nameEditText != null;
- assert urlEditText != null;
-
- // Get the current favorite icon byte array from the cursor.
- byte[] currentIconByteArray = bookmarkCursor.getBlob(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON));
-
- // Convert the byte array to a bitmap beginning at the first byte and ending at the last.
- Bitmap currentIconBitmap = BitmapFactory.decodeByteArray(currentIconByteArray, 0, currentIconByteArray.length);
-
- // Display the current icon bitmap.
- currentIconImageView.setImageBitmap(currentIconBitmap);
-
- // Set the new favorite icon bitmap.
- newFavoriteIconImageView.setImageBitmap(favoriteIconBitmap);
-
- // Store the current bookmark name and URL.
- String currentName = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
- String currentUrl = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL));
-
- // Populate the edit texts.
- nameEditText.setText(currentName);
- urlEditText.setText(currentUrl);
-
- // Initially disable the edit button.
- editButton.setEnabled(false);
-
- // Update the edit button if the icon selection changes.
- iconRadioGroup.setOnCheckedChangeListener((RadioGroup group, int checkedId) -> {
- // Update the edit button.
- updateEditButton(alertDialog, currentName, currentUrl);
- });
-
- // Update the edit button if the bookmark name changes.
- nameEditText.addTextChangedListener(new TextWatcher() {
- @Override
- public void beforeTextChanged(CharSequence s, int start, int count, int after) {
- // Do nothing.
- }
-
- @Override
- public void onTextChanged(CharSequence s, int start, int before, int count) {
- // Do nothing.
- }
-
- @Override
- public void afterTextChanged(Editable s) {
- // Update the edit button.
- updateEditButton(alertDialog, currentName, currentUrl);
- }
- });
-
- // Update the edit button if the URL changes.
- urlEditText.addTextChangedListener(new TextWatcher() {
- @Override
- public void beforeTextChanged(CharSequence s, int start, int count, int after) {
- // Do nothing.
- }
-
- @Override
- public void onTextChanged(CharSequence s, int start, int before, int count) {
- // Do nothing.
- }
-
- @Override
- public void afterTextChanged(Editable s) {
- // Update the edit button.
- updateEditButton(alertDialog, currentName, currentUrl);
- }
- });
-
- // Allow the enter key on the keyboard to save the bookmark from the bookmark name edit text.
- nameEditText.setOnKeyListener((View v, int keyCode, KeyEvent event) -> {
- // Save the bookmark if the event is a key-down on the "enter" button.
- if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER) && editButton.isEnabled()) { // The enter key was pressed and the edit button is enabled.
- // Trigger the `Listener` and return the `DialogFragment` to the parent activity.
- editBookmarkListener.onSaveBookmark(this, selectedBookmarkDatabaseId, favoriteIconBitmap);
-
- // Manually dismiss `alertDialog`.
- alertDialog.dismiss();
-
- // Consume the event.
- return true;
- } else { // If any other key was pressed, or if the edit button is currently disabled, do not consume the event.
- return false;
- }
- });
-
- // Allow the enter key on the keyboard to save the bookmark from the URL edit text.
- urlEditText.setOnKeyListener((View v, int keyCode, KeyEvent event) -> {
- // Save the bookmark if the event is a key-down on the "enter" button.
- if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER) && editButton.isEnabled()) { // The enter key was pressed and the edit button is enabled.
- // Trigger the `Listener` and return the DialogFragment to the parent activity.
- editBookmarkListener.onSaveBookmark(this, selectedBookmarkDatabaseId, favoriteIconBitmap);
-
- // Manually dismiss the alert dialog.
- alertDialog.dismiss();
-
- // Consume the event.
- return true;
- } else { // If any other key was pressed, or if the edit button is currently disabled, do not consume the event.
- return false;
- }
- });
-
- // Return the alert dialog.
- return alertDialog;
- }
-
- private void updateEditButton(AlertDialog alertdialog, String currentName, String currentUrl) {
- // Get handles for the views.
- EditText nameEditText = alertdialog.findViewById(R.id.edit_bookmark_name_edittext);
- EditText urlEditText = alertdialog.findViewById(R.id.edit_bookmark_url_edittext);
- RadioButton newIconRadioButton = alertdialog.findViewById(R.id.edit_bookmark_webpage_favorite_icon_radiobutton);
- Button editButton = alertdialog.getButton(AlertDialog.BUTTON_POSITIVE);
-
- // Remove the incorrect lint warnings below that the views might be null.
- assert nameEditText != null;
- assert urlEditText != null;
- assert newIconRadioButton != null;
-
- // Get the text from the edit texts.
- String newName = nameEditText.getText().toString();
- String newUrl = urlEditText.getText().toString();
-
- // Has the favorite icon changed?
- boolean iconChanged = newIconRadioButton.isChecked();
-
- // Has the name changed?
- boolean nameChanged = !newName.equals(currentName);
-
- // Has the URL changed?
- boolean urlChanged = !newUrl.equals(currentUrl);
-
- // Update the enabled status of the edit button.
- editButton.setEnabled(iconChanged || nameChanged || urlChanged);
- }
-}
\ No newline at end of file
projects / PrivacyBrowserAndroid.git / blobdiff