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6b69b00a05
As noted, the spec tells us to do something different than what is expected by WPT, so we slightly ignore it.
101 lines
2.5 KiB
C++
101 lines
2.5 KiB
C++
/*
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* Copyright (c) 2022-2025, Sam Atkins <sam@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/CSS/Percentage.h>
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#include <LibWeb/CSS/StyleValues/CalculatedStyleValue.h>
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#include <LibWeb/CSS/Time.h>
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namespace Web::CSS {
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Time::Time(double value, Type type)
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: m_type(type)
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, m_value(value)
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{
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}
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Time Time::make_seconds(double value)
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{
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return { value, Type::S };
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}
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Time Time::percentage_of(Percentage const& percentage) const
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{
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return Time { percentage.as_fraction() * m_value, m_type };
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}
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String Time::to_string(SerializationMode serialization_mode) const
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{
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// https://drafts.csswg.org/cssom/#serialize-a-css-value
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// -> <time>
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// The time in seconds serialized as per <number> followed by the literal string "s".
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// AD-HOC: WPT expects us to serialize using the actual unit, like for other dimensions.
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// https://github.com/w3c/csswg-drafts/issues/12616
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if (serialization_mode == SerializationMode::ResolvedValue) {
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StringBuilder builder;
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serialize_a_number(builder, to_seconds());
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builder.append("s"sv);
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return builder.to_string_without_validation();
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}
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StringBuilder builder;
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serialize_a_number(builder, raw_value());
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builder.append(unit_name());
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return builder.to_string_without_validation();
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}
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double Time::to_seconds() const
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{
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switch (m_type) {
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case Type::S:
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return m_value;
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case Type::Ms:
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return m_value / 1000.0;
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}
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VERIFY_NOT_REACHED();
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}
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double Time::to_milliseconds() const
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{
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switch (m_type) {
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case Type::S:
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return m_value * 1000.0;
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case Type::Ms:
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return m_value;
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}
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VERIFY_NOT_REACHED();
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}
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StringView Time::unit_name() const
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{
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switch (m_type) {
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case Type::S:
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return "s"sv;
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case Type::Ms:
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return "ms"sv;
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}
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VERIFY_NOT_REACHED();
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}
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Optional<Time::Type> Time::unit_from_name(StringView name)
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{
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if (name.equals_ignoring_ascii_case("s"sv)) {
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return Type::S;
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} else if (name.equals_ignoring_ascii_case("ms"sv)) {
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return Type::Ms;
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}
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return {};
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}
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Time Time::resolve_calculated(NonnullRefPtr<CalculatedStyleValue const> const& calculated, Layout::Node const& layout_node, Time const& reference_value)
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{
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return calculated->resolve_time_deprecated(
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{
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.percentage_basis = reference_value,
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.length_resolution_context = Length::ResolutionContext::for_layout_node(layout_node),
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})
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.value();
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}
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}
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