2 * Copyright 2017 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.annotation.SuppressLint;
23 import android.app.AlertDialog;
24 import android.app.Dialog;
25 import android.content.Context;
26 import android.content.DialogInterface;
27 import android.net.Uri;
28 import android.os.Bundle;
29 // We have to use `AppCompatDialogFragment` instead of `DialogFragment` or an error is produced on API <= 22.
30 import android.support.annotation.NonNull;
31 import android.support.v7.app.AppCompatDialogFragment;
32 import android.view.KeyEvent;
33 import android.view.View;
34 import android.view.WindowManager;
35 import android.widget.EditText;
37 import com.stoutner.privacybrowser.R;
38 import com.stoutner.privacybrowser.activities.MainWebViewActivity;
40 public class AddDomainDialog extends AppCompatDialogFragment {
41 // The public interface is used to send information back to the parent activity.
42 public interface AddDomainListener {
43 void onAddDomain(AppCompatDialogFragment dialogFragment);
46 // `addDomainListener` is used in `onAttach()` and `onCreateDialog()`.
47 private AddDomainListener addDomainListener;
50 public void onAttach(Context context) {
51 super.onAttach(context);
53 // Get a handle for `AddDomainListener` from `context`.
55 addDomainListener = (AddDomainListener) context;
56 } catch(ClassCastException exception) {
57 throw new ClassCastException(context.toString() + " must implement `AddDomainListener`.");
61 // `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
62 @SuppressLint("InflateParams")
65 public Dialog onCreateDialog(Bundle savedInstanceState) {
66 // Use `AlertDialog.Builder` to create the `AlertDialog`. The style formats the color of the button text.
67 AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.LightAlertDialog);
68 dialogBuilder.setTitle(R.string.add_domain);
69 // The parent view is `null` because it will be assigned by the `AlertDialog`.
70 dialogBuilder.setView(getActivity().getLayoutInflater().inflate(R.layout.add_domain_dialog, null));
72 // Set an `onClick()` listener for the negative button.
73 dialogBuilder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
75 public void onClick(DialogInterface dialog, int which) {
76 // Do nothing. The `AlertDialog` will close automatically.
80 // Set an `onClick()` listener for the positive button.
81 dialogBuilder.setPositiveButton(R.string.add, new DialogInterface.OnClickListener() {
83 public void onClick(DialogInterface dialog, int which) {
84 // Return the `DialogFragment` to the parent activity on add.
85 addDomainListener.onAddDomain(AddDomainDialog.this);
89 // Create an `AlertDialog` from the `AlertDialog.Builder`.
90 final AlertDialog alertDialog = dialogBuilder.create();
92 // Remove the warning below the `setSoftInputMode` might produce `java.lang.NullPointerException`.
93 assert alertDialog.getWindow() != null;
95 // Show the keyboard when the `AlertDialog` is displayed on the screen.
96 alertDialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
98 // We need to show the `AlertDialog` before we can edit the contents.
101 // Get a handle for `domain_name_edittext`.
102 EditText addDomainEditText = (EditText) alertDialog.findViewById(R.id.domain_name_edittext);
104 // Get the current domain from `formattedUrlString`.
105 Uri currentUri = Uri.parse(MainWebViewActivity.formattedUrlString);
106 addDomainEditText.setText(currentUri.getHost());
108 // Allow the `enter` key on the keyboard to create the domain from `add_domain_edittext`.
109 addDomainEditText.setOnKeyListener(new View.OnKeyListener() {
110 public boolean onKey(View view, int keyCode, KeyEvent event) {
111 // If the event is a key-down on the `enter` key, select the `PositiveButton` `Add`.
112 if ((keyCode == KeyEvent.KEYCODE_ENTER) && (event.getAction() == KeyEvent.ACTION_DOWN)) {
113 // Trigger `addDomainListener` and return the `DialogFragment` to the parent activity.
114 addDomainListener.onAddDomain(AddDomainDialog.this);
115 // Manually dismiss the `AlertDialog`.
116 alertDialog.dismiss();
117 // Consume the event.
119 } else { // If any other key was pressed, do not consume the event.
125 // `onCreateDialog()` requires the return of an `AlertDialog`.