mirror of
https://github.com/LadybirdBrowser/ladybird
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52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
/*
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* Copyright (c) 2025, Callum Law <callumlaw1709@outlook.com>.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "TimeValue.h"
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#include <LibWeb/CSS/CSSUnitValue.h>
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#include <LibWeb/CSS/StyleValues/CalculatedStyleValue.h>
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namespace Web::Animations {
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TimeValue TimeValue::from_css_numberish(CSS::CSSNumberish const& time, DOM::AbstractElement const& abstract_element)
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{
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if (time.has<double>())
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return { Type::Milliseconds, time.get<double>() };
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auto const& numeric_value = time.get<GC::Root<CSS::CSSNumericValue>>();
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// NB: Skip creating a calculation node for simple unit values
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if (auto const* unit_value = as_if<CSS::CSSUnitValue>(*numeric_value)) {
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if (unit_value->type().matches_number({}))
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return { Type::Milliseconds, unit_value->value() };
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if (unit_value->type().matches_time({}))
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return { Type::Milliseconds, MUST(unit_value->to("ms"_fly_string))->value() };
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VERIFY_NOT_REACHED();
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}
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auto const& calculation_node = MUST(numeric_value->create_calculation_node({}));
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VERIFY(calculation_node->numeric_type().has_value());
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auto style_value = CSS::CalculatedStyleValue::create(calculation_node, calculation_node->numeric_type().value(), {});
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CSS::CalculationResolutionContext calculation_resolution_context {
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.length_resolution_context = CSS::Length::ResolutionContext::for_element(abstract_element),
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.abstract_element = abstract_element,
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};
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if (style_value->resolves_to_number())
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return { Type::Milliseconds, style_value->resolve_number(calculation_resolution_context).value() };
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if (style_value->resolves_to_time())
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return { Type::Milliseconds, style_value->resolve_time(calculation_resolution_context)->to_milliseconds() };
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VERIFY_NOT_REACHED();
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}
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}
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