1/*
2 * Copyright (C) 2018-2019 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "SVGPropertyList.h"
29
30namespace WebCore {
31
32template<typename PropertyType>
33class SVGValuePropertyList : public SVGPropertyList<PropertyType> {
34public:
35 using Base = SVGPropertyList<PropertyType>;
36 using Base::clearItems;
37 using Base::items;
38 using Base::size;
39
40 SVGValuePropertyList& operator=(const SVGValuePropertyList& other)
41 {
42 clearItems();
43 for (const auto& item : other.items())
44 append(PropertyType::create(item->value()));
45 return *this;
46 }
47
48 // This casting operator returns a Vector of the underlying ValueType,
49 // for example Vector<float> from SVGNumberList.
50 operator Vector<typename PropertyType::ValueType>() const
51 {
52 Vector<typename PropertyType::ValueType> values;
53 for (const auto& item : items())
54 values.append(item->value());
55 return values;
56 }
57
58 void resize(size_t newSize)
59 {
60 // Add new items.
61 while (size() < newSize)
62 append(PropertyType::create());
63
64 // Remove existing items.
65 while (size() > newSize)
66 remove(size() - 1);
67 }
68
69 // Visual Studio doesn't seem to see these private constructors from subclasses.
70 // FIXME: See what it takes to remove this hack.
71#if !COMPILER(MSVC)
72protected:
73#endif
74 using Base::append;
75 using Base::remove;
76
77 // Base and default constructor. Do not use "using Base::Base" because of Windows and GTK ports.
78 SVGValuePropertyList(SVGPropertyOwner* owner = nullptr, SVGPropertyAccess access = SVGPropertyAccess::ReadWrite)
79 : Base(owner, access)
80 {
81 }
82
83 // Used by SVGAnimatedPropertyList when creating it animVal from baseVal.
84 SVGValuePropertyList(const SVGValuePropertyList& other, SVGPropertyAccess access = SVGPropertyAccess::ReadWrite)
85 : Base(other.owner(), access)
86 {
87 // Clone all items.
88 for (const auto& item : other.items())
89 append(PropertyType::create(item->value()));
90 }
91};
92
93}
94