c0d7f748ed
This commit introduces a WEB_SET_PROTOTYPE_FOR_INTERFACE macro that caches the interface name in a local static FlyString. This means that we only pay for FlyString-from-literal lookup once per browser lifetime instead of every time the interface is instantiated.
90 lines
3 KiB
C++
90 lines
3 KiB
C++
/*
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* Copyright (c) 2022, Tim Flynn <trflynn89@serenityos.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/Bindings/Intrinsics.h>
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#include <LibWeb/CSS/PercentageOr.h>
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#include <LibWeb/SVG/SVGLength.h>
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namespace Web::SVG {
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JS_DEFINE_ALLOCATOR(SVGLength);
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// Same as SVGLength.idl
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constexpr unsigned short SVG_LENGTHTYPE_UNKNOWN = 0;
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constexpr unsigned short SVG_LENGTHTYPE_NUMBER = 1;
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constexpr unsigned short SVG_LENGTHTYPE_PERCENTAGE = 2;
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constexpr unsigned short SVG_LENGTHTYPE_EMS = 3;
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constexpr unsigned short SVG_LENGTHTYPE_EXS = 4;
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constexpr unsigned short SVG_LENGTHTYPE_PX = 5;
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constexpr unsigned short SVG_LENGTHTYPE_CM = 6;
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constexpr unsigned short SVG_LENGTHTYPE_MM = 7;
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constexpr unsigned short SVG_LENGTHTYPE_IN = 8;
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constexpr unsigned short SVG_LENGTHTYPE_PT = 9;
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constexpr unsigned short SVG_LENGTHTYPE_PC = 10;
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JS::NonnullGCPtr<SVGLength> SVGLength::create(JS::Realm& realm, u8 unit_type, float value)
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{
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return realm.heap().allocate<SVGLength>(realm, realm, unit_type, value);
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}
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JS::NonnullGCPtr<SVGLength> SVGLength::from_length_percentage(JS::Realm& realm, CSS::LengthPercentage const& length_percentage)
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{
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// FIXME: We can't tell if a CSS::LengthPercentage was a unitless length.
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(void)SVG_LENGTHTYPE_NUMBER;
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if (length_percentage.is_percentage())
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return SVGLength::create(realm, SVG_LENGTHTYPE_PERCENTAGE, length_percentage.percentage().value());
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if (length_percentage.is_length())
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return SVGLength::create(
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realm, [&] {
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switch (length_percentage.length().type()) {
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case CSS::Length::Type::Em:
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return SVG_LENGTHTYPE_EMS;
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case CSS::Length::Type::Ex:
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return SVG_LENGTHTYPE_EXS;
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case CSS::Length::Type::Px:
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return SVG_LENGTHTYPE_PX;
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case CSS::Length::Type::Cm:
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return SVG_LENGTHTYPE_CM;
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case CSS::Length::Type::Mm:
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return SVG_LENGTHTYPE_MM;
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case CSS::Length::Type::In:
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return SVG_LENGTHTYPE_IN;
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case CSS::Length::Type::Pt:
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return SVG_LENGTHTYPE_PT;
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case CSS::Length::Type::Pc:
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return SVG_LENGTHTYPE_PC;
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default:
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return SVG_LENGTHTYPE_UNKNOWN;
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}
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}(),
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length_percentage.length().raw_value());
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return SVGLength::create(realm, SVG_LENGTHTYPE_UNKNOWN, 0);
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}
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SVGLength::SVGLength(JS::Realm& realm, u8 unit_type, float value)
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: PlatformObject(realm)
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, m_unit_type(unit_type)
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, m_value(value)
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{
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}
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void SVGLength::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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WEB_SET_PROTOTYPE_FOR_INTERFACE(SVGLength);
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}
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SVGLength::~SVGLength() = default;
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// https://www.w3.org/TR/SVG11/types.html#__svg__SVGLength__value
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WebIDL::ExceptionOr<void> SVGLength::set_value(float value)
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{
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// FIXME: Raise an exception if this <length> is read-only.
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m_value = value;
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return {};
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}
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}
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