+++ /dev/null
-/*
- * Copyright © 2019-2020 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.Activity;
-import android.app.Dialog;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.SharedPreferences;
-import android.content.res.Configuration;
-import android.os.Bundle;
-import android.view.KeyEvent;
-import android.view.View;
-import android.view.Window;
-import android.view.WindowManager;
-import android.widget.EditText;
-
-import androidx.annotation.NonNull;
-import androidx.appcompat.app.AlertDialog;
-import androidx.fragment.app.DialogFragment;
-import androidx.preference.PreferenceManager;
-
-import com.stoutner.privacybrowser.R;
-
-public class FontSizeDialog extends DialogFragment {
- // Define the update font size listener.
- private UpdateFontSizeListener updateFontSizeListener;
-
- // The public interface is used to send information back to the parent activity.
- public interface UpdateFontSizeListener {
- void onApplyNewFontSize(DialogFragment dialogFragment);
- }
-
- @Override
- public void onAttach(@NonNull Context context) {
- // Run the default commands.
- super.onAttach(context);
-
- // Get a handle for the update font size listener from the launching context.
- updateFontSizeListener = (UpdateFontSizeListener) context;
- }
-
- public static FontSizeDialog displayDialog(int fontSize) {
- // Create an arguments bundle.
- Bundle argumentsBundle = new Bundle();
-
- // Store the font size in the bundle.
- argumentsBundle.putInt("font_size", fontSize);
-
- // Create a new instance of the dialog.
- FontSizeDialog fontSizeDialog = new FontSizeDialog();
-
- // Add the bundle to the dialog.
- fontSizeDialog.setArguments(argumentsBundle);
-
- // Return the new dialog.
- return fontSizeDialog;
- }
-
- // `@SuppressLing("InflateParams")` removes the warning about using null as the parent view group when inflating the alert dialog.
- @SuppressLint("InflateParams")
- @Override
- @NonNull
- public Dialog onCreateDialog(Bundle savedInstanceState) {
- // Get a handle for the activity and the context.
- Activity activity = getActivity();
- Context context = getContext();
-
- // Remove the incorrect lint warnings below that the activity and context might be null.
- assert activity != null;
- assert context != null;
-
- // Get the arguments.
- Bundle arguments = getArguments();
-
- // Remove the incorrect lint warning below that `getInt()` might be null.
- assert arguments != null;
-
- // Get the current font size.
- int currentFontSize = arguments.getInt("font_size");
-
- // Use a builder to create the alert dialog.
- AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(context, R.style.PrivacyBrowserAlertDialog);
-
- // Get the current theme status.
- int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
-
- // Set the icon according to the theme.
- if (currentThemeStatus == Configuration.UI_MODE_NIGHT_YES) {
- dialogBuilder.setIcon(R.drawable.font_size_night);
- } else {
- dialogBuilder.setIcon(R.drawable.font_size_day);
- }
-
- // Set the title.
- dialogBuilder.setTitle(R.string.font_size);
-
- // Set the view. The parent view is null because it will be assigned by the alert dialog.
- dialogBuilder.setView(activity.getLayoutInflater().inflate(R.layout.font_size_dialog, null));
-
- // Set the close button listener. Using `null` as the listener closes the dialog without doing anything else.
- dialogBuilder.setNegativeButton(R.string.close, null);
-
- // Set the apply button listener.
- dialogBuilder.setPositiveButton(R.string.apply, (DialogInterface dialog, int which) -> {
- // Return the dialog fragment to the parent activity.
- updateFontSizeListener.onApplyNewFontSize(this);
- });
-
- // Create an alert dialog from the builder.
- 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;
-
- // Get a handle for the shared preferences.
- SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
-
- // Get the screenshot preferences.
- boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
-
- // Disable screenshots if not allowed.
- if (!allowScreenshots) {
- dialogWindow.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 layout can be modified.
- alertDialog.show();
-
- // Get a handle for the font size edit text.
- EditText fontSizeEditText = alertDialog.findViewById(R.id.font_size_edittext);
-
- // Remove the incorrect lint warning below that the edit text might be null.
- assert fontSizeEditText != null;
-
- // Display the current font size.
- fontSizeEditText.setText(String.valueOf(currentFontSize));
-
- // Request focus on the font size edit text.
- fontSizeEditText.requestFocus();
-
- // Set the enter key on the keyboard to update the font size.
- fontSizeEditText.setOnKeyListener((View view, int keyCode, KeyEvent keyEvent) -> {
- // If the key event is a key-down on the `enter` key apply the new font size.
- if ((keyEvent.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { // The enter key was pressed.
- // Trigger the update font size listener and return the dialog fragment to the parent activity.
- updateFontSizeListener.onApplyNewFontSize((this));
-
- // Manually dismiss the alert dialog.
- alertDialog.dismiss();
-
- //Consume the event.
- return true;
- } else { // If any other key was pressed do not consume the event.
- return false;
- }
- });
-
- // Return the alert dialog.
- return alertDialog;
- }
-}
projects / PrivacyBrowserAndroid.git / blobdiff