2 * Copyright 2016-2017 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.os.Bundle;
28 import android.support.annotation.NonNull;
29 // We have to use `AppCompatDialogFragment` instead of `DialogFragment` or an error is produced on API <=22.
30 import android.support.v7.app.AppCompatDialogFragment;
31 import android.view.KeyEvent;
32 import android.view.View;
33 import android.view.WindowManager;
34 import android.widget.EditText;
35 import android.widget.ImageView;
37 import com.stoutner.privacybrowser.activities.MainWebViewActivity;
38 import com.stoutner.privacybrowser.R;
40 public class CreateBookmarkFolderDialog extends AppCompatDialogFragment {
41 // The public interface is used to send information back to the parent activity.
42 public interface CreateBookmarkFolderListener {
43 void onCreateBookmarkFolder(AppCompatDialogFragment dialogFragment);
46 // `createBookmarkFolderListener` is used in `onAttach()` and `onCreateDialog`.
47 private CreateBookmarkFolderListener createBookmarkFolderListener;
49 public void onAttach(Context context) {
50 super.onAttach(context);
52 // Get a handle for `createBookmarkFolderListener` from `context`.
54 createBookmarkFolderListener = (CreateBookmarkFolderListener) context;
55 } catch(ClassCastException exception) {
56 throw new ClassCastException(context.toString() + " must implement CreateBookmarkFolderListener.");
60 // `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
61 @SuppressLint("InflateParams")
64 public Dialog onCreateDialog(Bundle savedInstanceState) {
65 // Use `AlertDialog.Builder` to create the `AlertDialog`. The style formats the color of the button text.
66 final AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.LightAlertDialog);
67 dialogBuilder.setTitle(R.string.create_folder);
68 // The parent view is `null` because it will be assigned by the `AlertDialog`.
69 dialogBuilder.setView(getActivity().getLayoutInflater().inflate(R.layout.create_bookmark_folder_dialog, null));
71 // Set an `onClick()` listener for the negative button.
72 dialogBuilder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
74 public void onClick(DialogInterface dialog, int which) {
75 // Do nothing. The `AlertDialog` will close automatically.
79 // Set an `onClick()` listener fo the positive button.
80 dialogBuilder.setPositiveButton(R.string.create, new DialogInterface.OnClickListener() {
82 public void onClick(DialogInterface dialog, int which) {
83 // Return the `DialogFragment` to the parent activity on create.
84 createBookmarkFolderListener.onCreateBookmarkFolder(CreateBookmarkFolderDialog.this);
89 // Create an `AlertDialog` from the `AlertDialog.Builder`.
90 final AlertDialog alertDialog = dialogBuilder.create();
92 // Remove the warning below that `setSoftInputMode` might produce `java.lang.NullPointerException`.
93 assert alertDialog.getWindow() != null;
95 // Show the keyboard when the `Dialog` 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 call `setOnKeyListener()` below.
101 // Allow the `enter` key on the keyboard to create the folder from `create_folder_name_edittext`.
102 EditText createFolderNameEditText = (EditText) alertDialog.findViewById(R.id.create_folder_name_edittext);
103 createFolderNameEditText.setOnKeyListener(new View.OnKeyListener() {
104 public boolean onKey(View v, int keyCode, KeyEvent event) {
105 // If the event is a key-down on the `enter` key, select the `PositiveButton` `Create`.
106 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
107 // Trigger `createBookmarkFolderListener` and return the `DialogFragment` to the parent activity.
108 createBookmarkFolderListener.onCreateBookmarkFolder(CreateBookmarkFolderDialog.this);
109 // Manually dismiss the `AlertDialog`.
110 alertDialog.dismiss();
111 // Consume the event.
113 } else { // If any other key was pressed do not consume the event.
119 // Display the current favorite icon.
120 ImageView webPageIconImageView = (ImageView) alertDialog.findViewById(R.id.create_folder_web_page_icon);
121 webPageIconImageView.setImageBitmap(MainWebViewActivity.favoriteIconBitmap);
123 // `onCreateDialog()` requires the return of an `AlertDialog`.