+++ /dev/null
-/*
- * Copyright © 2016-2019 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.AlertDialog;
-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.Window;
-import android.view.WindowManager;
-import android.widget.Button;
-import android.widget.EditText;
-import android.widget.ImageView;
-
-import androidx.annotation.NonNull;
-import androidx.fragment.app.DialogFragment; // The AndroidX dialog fragment must be used or an error is produced on API <=22.
-
-import com.stoutner.privacybrowser.R;
-import com.stoutner.privacybrowser.helpers.BookmarksDatabaseHelper;
-
-import java.io.ByteArrayOutputStream;
-
-public class CreateBookmarkFolderDialog extends DialogFragment {
- // The public interface is used to send information back to the parent activity.
- public interface CreateBookmarkFolderListener {
- void onCreateBookmarkFolder(DialogFragment dialogFragment, Bitmap favoriteIconBitmap);
- }
-
- // `createBookmarkFolderListener` is used in `onAttach()` and `onCreateDialog`.
- private CreateBookmarkFolderListener createBookmarkFolderListener;
-
- public void onAttach(@NonNull Context context) {
- super.onAttach(context);
-
- // Get a handle for `createBookmarkFolderListener` from the launching context.
- createBookmarkFolderListener = (CreateBookmarkFolderListener) context;
- }
-
- public static CreateBookmarkFolderDialog createBookmarkFolder(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 favorite icon in the bundle.
- argumentsBundle.putByteArray("favorite_icon_byte_array", favoriteIconByteArray);
-
- // Create a new instance of the dialog.
- CreateBookmarkFolderDialog createBookmarkFolderDialog = new CreateBookmarkFolderDialog();
-
- // Add the bundle to the dialog.
- createBookmarkFolderDialog.setArguments(argumentsBundle);
-
- // Return the new dialog.
- return createBookmarkFolderDialog;
- }
-
- // `@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;
-
- // 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);
-
- // Use an alert dialog builder to create the alert dialog.
- AlertDialog.Builder dialogBuilder;
-
- // Get a handle for the shared preferences.
- SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getContext());
-
- // Get the screenshot and theme preferences.
- boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
- boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false);
-
- // Set the style according to the theme.
- if (darkTheme) {
- dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogDark);
- } else {
- dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogLight);
- }
-
- // Set the title.
- dialogBuilder.setTitle(R.string.create_folder);
-
- // Remove the warning below that `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.create_bookmark_folder_dialog, null));
-
- // Set an `onClick()` listener for the negative button.
- dialogBuilder.setNegativeButton(R.string.cancel, (DialogInterface dialog, int which) -> {
- // Do nothing. The `AlertDialog` will close automatically.
- });
-
- // Set an `onClick()` listener fo the positive button.
- dialogBuilder.setPositiveButton(R.string.create, (DialogInterface dialog, int which) -> {
- // Return the `DialogFragment` to the parent activity on create.
- createBookmarkFolderListener.onCreateBookmarkFolder(this, favoriteIconBitmap);
- });
-
-
- // Create an alert dialog from the `AlertDialog.Builder`.
- final AlertDialog alertDialog = dialogBuilder.create();
-
- // Get the alert dialog window.
- Window dialogWindow = alertDialog.getWindow();
-
- // Remove the incorrect lint warning below that the dialog window might be null.
- assert dialogWindow != null;
-
- // Disable screenshots if not allowed.
- if (!allowScreenshots) {
- alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
- }
-
- // Display the keyboard.
- dialogWindow.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
-
- // The alert dialog must be shown before items in the alert dialog can be modified.
- alertDialog.show();
-
- // Get handles for the views in the dialog.
- final Button createButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
- EditText folderNameEditText = alertDialog.findViewById(R.id.create_folder_name_edittext);
- ImageView webPageIconImageView = alertDialog.findViewById(R.id.create_folder_web_page_icon);
-
- // Initially disable the create button.
- createButton.setEnabled(false);
-
- // Initialize the database helper. The `0` specifies a database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
- final BookmarksDatabaseHelper bookmarksDatabaseHelper = new BookmarksDatabaseHelper(getContext(), null, null, 0);
-
- // Enable the create button if the new folder name is unique.
- folderNameEditText.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) {
- // Convert the current text to a string.
- String folderName = s.toString();
-
- // Check if a folder with the name already exists.
- Cursor folderExistsCursor = bookmarksDatabaseHelper.getFolder(folderName);
-
- // Enable the create button if the new folder name is not empty and doesn't already exist.
- createButton.setEnabled(!folderName.isEmpty() && (folderExistsCursor.getCount() == 0));
- }
- });
-
- // Set the enter key on the keyboard to create the folder from the edit text.
- folderNameEditText.setOnKeyListener((View view, int keyCode, KeyEvent keyEvent) -> {
- // If the key event is a key-down on the `enter` key create the bookmark folder.
- if ((keyEvent.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER) && createButton.isEnabled()) { // The enter key was pressed and the create button is enabled.
- // Trigger the create bookmark folder listener and return the dialog fragment to the parent activity.
- createBookmarkFolderListener.onCreateBookmarkFolder(this, favoriteIconBitmap);
-
- // Manually dismiss the alert dialog.
- alertDialog.dismiss();
-
- // Consume the event.
- return true;
- } else { // If any other key was pressed, or if the create button is currently disabled, do not consume the event.
- return false;
- }
- });
-
- // Display the current favorite icon.
- webPageIconImageView.setImageBitmap(favoriteIconBitmap);
-
- // Return the alert dialog.
- return alertDialog;
- }
-}
\ No newline at end of file
projects / PrivacyBrowserAndroid.git / blobdiff