1/*
2 * Copyright (C) 2021 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. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include <wtf/Hasher.h>
29#include <wtf/Variant.h>
30#include <wtf/text/AtomString.h>
31
32namespace WebCore {
33
34struct FontPaletteNone {
35 bool operator==(const FontPaletteNone&) const
36 {
37 return true;
38 }
39
40 bool operator!=(const FontPaletteNone&) const
41 {
42 return false;
43 }
44};
45
46inline void add(Hasher&, const FontPaletteNone&)
47{
48}
49
50struct FontPaletteNormal {
51 bool operator==(const FontPaletteNormal&) const
52 {
53 return true;
54 }
55
56 bool operator!=(const FontPaletteNormal&) const
57 {
58 return false;
59 }
60};
61
62inline void add(Hasher&, const FontPaletteNormal&)
63{
64}
65
66struct FontPaletteLight {
67 bool operator==(const FontPaletteLight&) const
68 {
69 return true;
70 }
71
72 bool operator!=(const FontPaletteLight&) const
73 {
74 return false;
75 }
76};
77
78inline void add(Hasher&, const FontPaletteLight&)
79{
80}
81
82struct FontPaletteDark {
83 bool operator==(const FontPaletteDark&) const
84 {
85 return true;
86 }
87
88 bool operator!=(const FontPaletteDark&) const
89 {
90 return false;
91 }
92};
93
94inline void add(Hasher&, const FontPaletteDark&)
95{
96}
97
98struct FontPaletteCustom {
99 bool operator==(const FontPaletteCustom& other) const
100 {
101 return identifier == other.identifier;
102 }
103
104 bool operator!=(const FontPaletteCustom& other) const
105 {
106 return !(*this == other);
107 }
108
109 AtomString identifier;
110};
111
112inline void add(Hasher& hasher, const FontPaletteCustom& request)
113{
114 add(hasher, request.identifier);
115}
116
117using FontPalette = Variant<FontPaletteNone, FontPaletteNormal, FontPaletteLight, FontPaletteDark, FontPaletteCustom>;
118
119}