1/*
2 * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
3 * Copyright (C) 2014-2017 Apple Inc. 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
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above
10 * copyright notice, this list of conditions and the following
11 * disclaimer.
12 * 2. Redistributions in binary form must reproduce the above
13 * copyright notice, this list of conditions and the following
14 * disclaimer in the documentation and/or other materials
15 * provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
22 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
26 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
27 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31#pragma once
32
33#include "BasicShapes.h"
34#include "RenderStyleConstants.h"
35#include "StyleImage.h"
36
37namespace WebCore {
38
39class ShapeValue : public RefCounted<ShapeValue> {
40public:
41 static Ref<ShapeValue> create(Ref<BasicShape>&& shape, CSSBoxType cssBox)
42 {
43 return adoptRef(*new ShapeValue(WTFMove(shape), cssBox));
44 }
45
46 static Ref<ShapeValue> create(CSSBoxType boxShape)
47 {
48 return adoptRef(*new ShapeValue(boxShape));
49 }
50
51 static Ref<ShapeValue> create(Ref<StyleImage>&& image)
52 {
53 return adoptRef(*new ShapeValue(WTFMove(image)));
54 }
55
56 enum class Type { Shape, Box, Image };
57 Type type() const { return m_type; }
58 BasicShape* shape() const { return m_shape.get(); }
59 CSSBoxType cssBox() const { return m_cssBox; }
60 StyleImage* image() const { return m_image.get(); }
61 bool isImageValid() const;
62
63 void setImage(Ref<StyleImage>&& image)
64 {
65 ASSERT(m_type == Type::Image);
66 m_image = WTFMove(image);
67 }
68
69 bool operator==(const ShapeValue&) const;
70 bool operator!=(const ShapeValue& other) const
71 {
72 return !(*this == other);
73 }
74
75private:
76 ShapeValue(Ref<BasicShape>&& shape, CSSBoxType cssBox)
77 : m_type(Type::Shape)
78 , m_shape(WTFMove(shape))
79 , m_cssBox(cssBox)
80 {
81 }
82
83 explicit ShapeValue(Ref<StyleImage>&& image)
84 : m_type(Type::Image)
85 , m_image(WTFMove(image))
86 {
87 }
88
89 explicit ShapeValue(CSSBoxType cssBox)
90 : m_type(Type::Box)
91 , m_cssBox(cssBox)
92 {
93 }
94
95 Type m_type;
96 RefPtr<BasicShape> m_shape;
97 RefPtr<StyleImage> m_image;
98 CSSBoxType m_cssBox { CSSBoxType::BoxMissing };
99};
100
101}
102