2 * Copyright 2016 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.Dialog;
24 import android.content.Context;
25 import android.content.DialogInterface;
26 import android.graphics.drawable.BitmapDrawable;
27 import android.graphics.drawable.Drawable;
28 import android.os.Bundle;
29 import android.support.annotation.NonNull;
30 // If we don't use `android.support.v7.app.AlertDialog` instead of `android.app.AlertDialog` then the dialog will be covered by the keyboard.
31 import android.support.v7.app.AlertDialog;
32 // We have to use `AppCompatDialogFragment` instead of `DialogFragment` or an error is produced on API <=22.
33 import android.support.v7.app.AppCompatDialogFragment;
34 import android.view.KeyEvent;
35 import android.view.View;
36 import android.view.WindowManager;
37 import android.widget.EditText;
39 import com.stoutner.privacybrowser.activities.MainWebView;
40 import com.stoutner.privacybrowser.R;
42 public class CreateBookmark extends AppCompatDialogFragment {
43 // The public interface is used to send information back to the parent activity.
44 public interface CreateBookmarkListener {
45 void onCreateBookmark(AppCompatDialogFragment dialogFragment);
48 // `createBookmarkListener` is used in `onAttach()` and `onCreateDialog()`
49 private CreateBookmarkListener createBookmarkListener;
52 public void onAttach(Context context) {
53 super.onAttach(context);
55 // Get a handle for `CreateBookmarkListener` from `context`.
57 createBookmarkListener = (CreateBookmarkListener) context;
58 } catch(ClassCastException exception) {
59 throw new ClassCastException(context.toString() + " must implement CreateBookmarkListener.");
63 // `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
64 @SuppressLint("InflateParams")
67 public Dialog onCreateDialog(Bundle savedInstanceState) {
68 // Create a drawable version of the favorite icon.
69 Drawable favoriteIconDrawable = new BitmapDrawable(getResources(), MainWebView.favoriteIcon);
71 // Use `AlertDialog.Builder` to create the `AlertDialog`. The style formats the color of the button text.
72 AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.LightAlertDialog);
73 dialogBuilder.setTitle(R.string.create_bookmark);
74 dialogBuilder.setIcon(favoriteIconDrawable);
75 // The parent view is `null` because it will be assigned by the `AlertDialog`.
76 dialogBuilder.setView(getActivity().getLayoutInflater().inflate(R.layout.create_bookmark_dialog, null));
78 // Set an `onClick()` listener for the negative button.
79 dialogBuilder.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
81 public void onClick(DialogInterface dialog, int which) {
82 // Do nothing. The `AlertDialog` will close automatically.
86 // Set an `onClick()` listener for the positive button.
87 dialogBuilder.setPositiveButton(R.string.create, new DialogInterface.OnClickListener() {
89 public void onClick(DialogInterface dialog, int which) {
90 // Return the `DialogFragment` to the parent activity on create.
91 createBookmarkListener.onCreateBookmark(CreateBookmark.this);
96 // Create an `AlertDialog` from the `AlertDialog.Builder`.
97 final AlertDialog alertDialog = dialogBuilder.create();
99 // Remove the warning below that `setSoftInputMode` might produce `java.lang.NullPointerException`.
100 assert alertDialog.getWindow() != null;
102 // Show the keyboard when the `Dialog` is displayed on the screen.
103 alertDialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
105 // We need to show the `AlertDialog` before we can call `setOnKeyListener()` below.
108 // Allow the `enter` key on the keyboard to create the bookmark from `create_bookmark_name_edittext`.
109 EditText createBookmarkNameEditText = (EditText) alertDialog.findViewById(R.id.create_bookmark_name_edittext);
110 assert createBookmarkNameEditText != null; // Remove the warning below that `createBookmarkNameEditText` might be `null`.
111 createBookmarkNameEditText.setOnKeyListener(new View.OnKeyListener() {
112 public boolean onKey(View v, int keyCode, KeyEvent event) {
113 // If the event is a key-down on the `enter` button, select the `PositiveButton` `Create`.
114 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
115 // Trigger `createBookmarkListener` and return the `DialogFragment` to the parent activity.
116 createBookmarkListener.onCreateBookmark(CreateBookmark.this);
117 // Manually dismiss the `AlertDialog`.
118 alertDialog.dismiss();
119 // Consume the event.
121 } else { // If any other key was pressed, do not consume the event.
127 // Set the formattedUrlString as the initial text of `create_bookmark_url_edittext`.
128 EditText createBookmarkUrlEditText = (EditText) alertDialog.findViewById(R.id.create_bookmark_url_edittext);
129 assert createBookmarkUrlEditText != null;// Remove the warning below that `createBookmarkUrlEditText` might be `null`.
130 createBookmarkUrlEditText.setText(MainWebView.formattedUrlString);
132 // Allow the `enter` key on the keyboard to create the bookmark from `create_bookmark_url_edittext`.
133 createBookmarkUrlEditText.setOnKeyListener(new View.OnKeyListener() {
134 public boolean onKey(View v, int keyCode, KeyEvent event) {
135 // If the event is a key-down on the "enter" button, select the PositiveButton "Create".
136 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
137 // Trigger `createBookmarkListener` and return the DialogFragment to the parent activity.
138 createBookmarkListener.onCreateBookmark(CreateBookmark.this);
139 // Manually dismiss the `AlertDialog`.
140 alertDialog.dismiss();
141 // Consume the event.
143 } else { // If any other key was pressed, do not consume the event.
149 // `onCreateDialog()` requires the return of an `AlertDialog`.