jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#include "Time.h"
8#include <LibWeb/CSS/StyleValue.h>
9
10namespace Web::CSS {
11
12Time::Time(int value, Type type)
13 : m_type(type)
14 , m_value(value)
15{
16}
17
18Time::Time(float value, Type type)
19 : m_type(type)
20 , m_value(value)
21{
22}
23
24Time Time::make_calculated(NonnullRefPtr<CalculatedStyleValue> calculated_style_value)
25{
26 Time frequency { 0, Type::Calculated };
27 frequency.m_calculated_style = move(calculated_style_value);
28 return frequency;
29}
30
31Time Time::make_seconds(float value)
32{
33 return { value, Type::S };
34}
35
36Time Time::percentage_of(Percentage const& percentage) const
37{
38 VERIFY(!is_calculated());
39
40 return Time { percentage.as_fraction() * m_value, m_type };
41}
42
43ErrorOr<String> Time::to_string() const
44{
45 if (is_calculated())
46 return m_calculated_style->to_string();
47 return String::formatted("{}{}", m_value, unit_name());
48}
49
50float Time::to_seconds() const
51{
52 switch (m_type) {
53 case Type::Calculated:
54 return m_calculated_style->resolve_time()->to_seconds();
55 case Type::S:
56 return m_value;
57 case Type::Ms:
58 return m_value / 1000.0f;
59 }
60 VERIFY_NOT_REACHED();
61}
62
63StringView Time::unit_name() const
64{
65 switch (m_type) {
66 case Type::Calculated:
67 return "calculated"sv;
68 case Type::S:
69 return "s"sv;
70 case Type::Ms:
71 return "ms"sv;
72 }
73 VERIFY_NOT_REACHED();
74}
75
76Optional<Time::Type> Time::unit_from_name(StringView name)
77{
78 if (name.equals_ignoring_ascii_case("s"sv)) {
79 return Type::S;
80 } else if (name.equals_ignoring_ascii_case("ms"sv)) {
81 return Type::Ms;
82 }
83 return {};
84}
85
86NonnullRefPtr<CalculatedStyleValue> Time::calculated_style_value() const
87{
88 VERIFY(!m_calculated_style.is_null());
89 return *m_calculated_style;
90}
91
92}