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https://github.com/LadybirdBrowser/ladybird.git
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a27d269721
Previously, some StyleValues created a large number of intermediate strings during serialization. Passing a StringBUilder into the serialization function allows us to avoid a large number of these unnecessary allocations.
52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
/*
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* Copyright (c) 2024, the Ladybird developers.
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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/CSS/StyleValues/StyleValue.h>
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namespace Web::CSS {
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class ScrollbarGutterStyleValue final : public StyleValueWithDefaultOperators<ScrollbarGutterStyleValue> {
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public:
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static ValueComparingNonnullRefPtr<ScrollbarGutterStyleValue const> create(ScrollbarGutter value)
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{
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return adopt_ref(*new (nothrow) ScrollbarGutterStyleValue(value));
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}
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virtual ~ScrollbarGutterStyleValue() override = default;
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ScrollbarGutter value() const { return m_value; }
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virtual void serialize(StringBuilder& builder, SerializationMode) const override
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{
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switch (m_value) {
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case ScrollbarGutter::Auto:
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builder.append("auto"sv);
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break;
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case ScrollbarGutter::Stable:
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builder.append("stable"sv);
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break;
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case ScrollbarGutter::BothEdges:
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builder.append("stable both-edges"sv);
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break;
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default:
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VERIFY_NOT_REACHED();
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}
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}
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bool properties_equal(ScrollbarGutterStyleValue const& other) const { return m_value == other.m_value; }
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private:
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ScrollbarGutterStyleValue(ScrollbarGutter value)
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: StyleValueWithDefaultOperators(Type::ScrollbarGutter)
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, m_value(value)
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{
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}
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ScrollbarGutter m_value;
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};
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}
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