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https://github.com/LadybirdBrowser/ladybird
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fd44da6829
Previously, the LibWeb bindings generator would output multiple per interface files like Prototype/Constructor/Namespace/GlobalMixin depending on the contents of that IDL file. This complicates the build system as it means that it does not know what files will be generated without knowledge of the contents of that IDL file. Instead, for each IDL file only generate a single Bindings/<IDLFile>.h and Bindings/<IDLFile>.cpp.
120 lines
4.2 KiB
C++
120 lines
4.2 KiB
C++
/*
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* Copyright (c) 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 "CSSSkewY.h"
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#include <LibWeb/Bindings/CSSSkewY.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/CSS/CSSNumericValue.h>
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#include <LibWeb/CSS/CSSUnitValue.h>
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#include <LibWeb/CSS/PropertyNameAndID.h>
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#include <LibWeb/CSS/StyleValues/TransformationStyleValue.h>
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#include <LibWeb/Geometry/DOMMatrix.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::CSS {
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GC_DEFINE_ALLOCATOR(CSSSkewY);
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GC::Ref<CSSSkewY> CSSSkewY::create(JS::Realm& realm, GC::Ref<CSSNumericValue> ay)
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{
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return realm.create<CSSSkewY>(realm, ay);
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}
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// https://drafts.css-houdini.org/css-typed-om-1/#dom-cssskewy-cssskewy
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WebIDL::ExceptionOr<GC::Ref<CSSSkewY>> CSSSkewY::construct_impl(JS::Realm& realm, GC::Ref<CSSNumericValue> ay)
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{
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// The CSSSkewY(ay) constructor must, when invoked, perform the following steps:
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// 1. If ay does not match <angle>, throw a TypeError.
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if (!ay->type().matches_angle({}))
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return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "CSSSkewY ay component doesn't match <angle>"sv };
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// 2. Return a new CSSSkewY object with its ay internal slot set to ay, and its is2D internal slot set to true.
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return CSSSkewY::create(realm, ay);
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}
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CSSSkewY::CSSSkewY(JS::Realm& realm, GC::Ref<CSSNumericValue> ay)
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: CSSTransformComponent(realm, Is2D::Yes)
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, m_ay(ay)
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{
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}
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CSSSkewY::~CSSSkewY() = default;
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void CSSSkewY::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(CSSSkewY);
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Base::initialize(realm);
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}
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void CSSSkewY::visit_edges(Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_ay);
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}
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// https://drafts.css-houdini.org/css-typed-om-1/#serialize-a-cssskewy
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WebIDL::ExceptionOr<Utf16String> CSSSkewY::to_string() const
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{
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// 1. Let s initially be "skewY(".
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StringBuilder builder { StringBuilder::Mode::UTF16 };
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builder.append("skewY("sv);
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// 2. Serialize this’s ay internal slot, and append it to s.
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m_ay->serialize(builder, {});
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// 3. Append ")" to s, and return s.
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builder.append(")"sv);
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return builder.to_utf16_string();
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}
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// https://drafts.css-houdini.org/css-typed-om-1/#dom-csstransformcomponent-tomatrix
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WebIDL::ExceptionOr<GC::Ref<Geometry::DOMMatrix>> CSSSkewY::to_matrix() const
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{
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// 1. Let matrix be a new DOMMatrix object, initialized to this’s equivalent 4x4 transform matrix, as defined in
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// CSS Transforms 1 § 12. Mathematical Description of Transform Functions, and with its is2D internal slot set
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// to the same value as this’s is2D internal slot.
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// NOTE: Recall that the is2D flag affects what transform, and thus what equivalent matrix, a
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// CSSTransformComponent represents.
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// As the entries of such a matrix are defined relative to the px unit, if any <length>s in this involved in
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// generating the matrix are not compatible units with px (such as relative lengths or percentages), throw a
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// TypeError.
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auto matrix = Geometry::DOMMatrix::create(realm());
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// NB: to() throws a TypeError if the conversion can't be done.
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auto ay_rad = TRY(m_ay->to("rad"_fly_string))->value();
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matrix->set_m12(tanf(ay_rad));
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// 2. Return matrix.
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return matrix;
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}
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WebIDL::ExceptionOr<void> CSSSkewY::set_ay(GC::Ref<CSSNumericValue> ay)
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{
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// AD-HOC: Not specced. https://github.com/w3c/css-houdini-drafts/issues/1153
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// WPT expects this to throw for invalid values.
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if (!ay->type().matches_angle({}))
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return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "CSSSkewY ay component doesn't match <angle>"sv };
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m_ay = ay;
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return {};
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}
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// https://drafts.css-houdini.org/css-typed-om-1/#dom-cssskew-is2d
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void CSSSkewY::set_is_2d(bool)
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{
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// The is2D attribute of a CSSSkewY, CSSSkewYX, or CSSSkewYY object must, on setting, do nothing.
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}
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WebIDL::ExceptionOr<NonnullRefPtr<TransformationStyleValue const>> CSSSkewY::create_style_value(PropertyNameAndID const& property) const
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{
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return TransformationStyleValue::create(property.id(), TransformFunction::SkewY,
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{
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TRY(m_ay->create_an_internal_representation(property, CSSStyleValue::PerformTypeCheck::No)),
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});
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}
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}
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