2 * Copyright © 2018-2019 Soren Stoutner <soren@stoutner.com>.
4 * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
6 * Privacy Browser is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * Privacy Browser is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Privacy Browser. If not, see <http://www.gnu.org/licenses/>.
20 package com.stoutner.privacybrowser.dialogs;
22 import android.app.AlertDialog;
23 import android.app.Dialog;
24 import android.content.SharedPreferences;
25 import android.os.Bundle;
26 import android.preference.PreferenceManager;
27 import android.view.WindowManager;
29 import androidx.annotation.NonNull;
30 import androidx.fragment.app.DialogFragment;
32 import com.stoutner.privacybrowser.R;
34 public class AboutViewSourceDialog extends DialogFragment {
37 public Dialog onCreateDialog(Bundle savedInstanceState) {
38 // Get a handle for the shared preferences.
39 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getContext());
41 // Get the screenshot and theme preferences.
42 boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
43 boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false);
45 // Use a builder to create the alert dialog.
46 AlertDialog.Builder dialogBuilder;
48 // Set the style and the icon according to the theme.
50 dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogDark);
51 dialogBuilder.setIcon(R.drawable.about_dark);
53 dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogLight);
54 dialogBuilder.setIcon(R.drawable.about_light);
57 // Set an `onClick` listener on the negative button. Using `null` as the listener closes the dialog without doing anything else.
58 dialogBuilder.setNegativeButton(R.string.close, null);
61 dialogBuilder.setTitle(R.string.about_view_source);
64 dialogBuilder.setMessage(R.string.about_view_source_message);
66 // Create an alert dialog from the alert dialog builder.
67 AlertDialog alertDialog = dialogBuilder.create();
69 // Disable screenshots if not allowed.
70 if (!allowScreenshots) {
71 // Remove the warning below that `getWindow()` might be null.
72 assert alertDialog.getWindow() != null;
74 // Disable screenshots.
75 alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
78 // Return the alert dialog.