1 /*
 2  * Copyright (c) 2013, 2020, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.  Oracle designates this
 8  * particular file as subject to the "Classpath" exception as provided
 9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 
26 package javafx.scene.control.skin;
27 
28 import javafx.beans.value.ChangeListener;
29 import javafx.beans.value.WeakChangeListener;
30 import javafx.event.EventHandler;
31 import javafx.scene.control.TextArea;
32 import javafx.scene.input.MouseEvent;
33 
34 public class TextAreaSkinAndroid extends TextAreaSkin {
35 
36     /**************************************************************************
37      *
38      * Private fields
39      *
40      **************************************************************************/
41 
42     private final EventHandler<MouseEvent> mouseEventListener = e -> {
43         if (getSkinnable().isEditable() && getSkinnable().isFocused()) {
44             showSoftwareKeyboard();
45         }
46     };
47 
48     private final ChangeListener<Boolean> focusChangeListener = (observable, wasFocused, isFocused) -> {
49         if (wasFocused && !isFocused) {
50             hideSoftwareKeyboard();
51         }
52     };
53     private final WeakChangeListener<Boolean> weakFocusChangeListener = new WeakChangeListener<>(focusChangeListener);
54 
55     /**************************************************************************
56      *
57      * Constructors
58      *
59      **************************************************************************/
60 
61     public TextAreaSkinAndroid(final TextArea textArea) {
62         super(textArea);
63         textArea.addEventHandler(MouseEvent.MOUSE_CLICKED, mouseEventListener);
64         textArea.focusedProperty().addListener(weakFocusChangeListener);
65     }
66 
67     /***************************************************************************
68      *                                                                         *
69      * Public API                                                              *
70      *                                                                         *
71      **************************************************************************/
72 
73     /** {@inheritDoc} */
74     @Override public void dispose() {
75         if (getSkinnable() == null) return;
76         getSkinnable().removeEventHandler(MouseEvent.MOUSE_CLICKED, mouseEventListener);
77         getSkinnable().focusedProperty().removeListener(weakFocusChangeListener);
78         super.dispose();
79     }
80 
81     native void showSoftwareKeyboard();
82     native void hideSoftwareKeyboard();
83 
84 }