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.Context;
25 import android.content.DialogInterface;
26 import android.content.SharedPreferences;
27 import android.os.Bundle;
28 import android.preference.PreferenceManager;
29 import android.view.WindowManager;
31 import com.stoutner.privacybrowser.R;
33 import androidx.annotation.NonNull;
34 import androidx.fragment.app.DialogFragment; // The AndroidX dialog fragment must be used or an error is produced on API <=22.
36 public class DownloadLocationPermissionDialog extends DialogFragment {
37 // The constants are used to differentiate between the two download types.
38 public static final int DOWNLOAD_FILE = 1;
39 public static final int DOWNLOAD_IMAGE = 2;
41 // The listener is used in `onAttach()` and `onCreateDialog()`.
42 private DownloadLocationPermissionDialogListener downloadLocationPermissionDialogListener;
44 // The public interface is used to send information back to the parent activity.
45 public interface DownloadLocationPermissionDialogListener {
46 void onCloseDownloadLocationPermissionDialog(int downloadType);
50 public void onAttach(Context context) {
51 // Run the default commands.
52 super.onAttach(context);
54 // Get a handle for the listener from the launching context.
55 downloadLocationPermissionDialogListener = (DownloadLocationPermissionDialogListener) context;
58 public static DownloadLocationPermissionDialog downloadType(int type) {
59 // Create an arguments bundle.
60 Bundle argumentsBundle = new Bundle();
62 // Store the download type in the bundle.
63 argumentsBundle.putInt("download_type", type);
65 // Add the arguments bundle to this instance of the dialog.
66 DownloadLocationPermissionDialog thisDownloadLocationPermissionDialog = new DownloadLocationPermissionDialog();
67 thisDownloadLocationPermissionDialog.setArguments(argumentsBundle);
68 return thisDownloadLocationPermissionDialog;
73 public Dialog onCreateDialog(Bundle savedInstanceState) {
74 // Remove the incorrect lint warning below that `getArguments().getInt()` might be null.
75 assert getArguments() != null;
77 // Store the download type in a local variable.
78 int downloadType = getArguments().getInt("download_type");
80 // Use a builder to create the alert dialog.
81 AlertDialog.Builder dialogBuilder;
83 // Get a handle for the shared preferences.
84 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getContext());
86 // Get the screenshot and theme preferences.
87 boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
88 boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false);
90 // Set the style and the icon according to the theme.
92 dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogDark);
93 dialogBuilder.setIcon(R.drawable.downloads_dark);
95 dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogLight);
96 dialogBuilder.setIcon(R.drawable.downloads_light);
100 dialogBuilder.setTitle(R.string.download_location);
103 dialogBuilder.setMessage(R.string.download_location_message);
105 // Set an `onClick` listener on the negative button.
106 dialogBuilder.setNegativeButton(R.string.ok, (DialogInterface dialog, int which) -> {
107 // Inform the parent activity that the dialog was closed.
108 downloadLocationPermissionDialogListener.onCloseDownloadLocationPermissionDialog(downloadType);
111 // Create an alert dialog from the builder.
112 final AlertDialog alertDialog = dialogBuilder.create();
114 // Disable screenshots if not allowed.
115 if (!allowScreenshots) {
116 // Remove the warning below that `getWindow()` might be null.
117 assert alertDialog.getWindow() != null;
119 // Disable screenshots.
120 alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
123 // `onCreateDialog()` requires the return of an `AlertDialog`.