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37 lines
1 KiB
C++
37 lines
1 KiB
C++
/*
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* Copyright (c) 2023, Andreas Kling <andreas@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibWeb/Bindings/WindowGlobalMixin.h>
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namespace Web::HTML {
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// https://w3c.github.io/csswg-drafts/cssom-view/#dictdef-scrolloptions
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struct ScrollOptions {
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Bindings::ScrollBehavior behavior { Bindings::ScrollBehavior::Auto };
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};
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// https://drafts.csswg.org/cssom-view/#normalize-non-finite-values
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[[nodiscard]] inline double normalize_non_finite_values(double value)
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{
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// When asked to normalize non-finite values for a value x, if x is one of the three special floating point
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// literal values (Infinity, -Infinity or NaN), then x must be changed to the value 0. [WEBIDL]
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if (isinf(value) || isnan(value))
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return 0;
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return value;
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}
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// https://drafts.csswg.org/cssom-view/#normalize-non-finite-values
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[[nodiscard]] inline double normalize_non_finite_values(Optional<double> const& value)
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{
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if (!value.has_value())
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return 0;
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return normalize_non_finite_values(value.value());
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}
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}
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