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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include "VBProperty.h"
28#include "VBWidget.h"
29
30VBProperty::VBProperty(VBWidget& widget, const String& name, const GUI::Variant& value)
31 : m_widget(widget)
32 , m_name(name)
33 , m_value(value)
34{
35}
36
37VBProperty::VBProperty(VBWidget& widget, const String& name, Function<GUI::Variant(const GUI::Widget&)>&& getter, Function<void(GUI::Widget&, const GUI::Variant&)>&& setter)
38 : m_widget(widget)
39 , m_name(name)
40 , m_getter(move(getter))
41 , m_setter(move(setter))
42{
43 ASSERT(m_getter);
44 ASSERT(m_setter);
45}
46
47VBProperty::~VBProperty()
48{
49}
50
51void VBProperty::set_value(const GUI::Variant& value)
52{
53 if (m_value == value)
54 return;
55 m_value = value;
56 if (m_setter)
57 m_setter(*m_widget.gwidget(), value);
58 m_widget.property_did_change();
59}