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86 lines
3 KiB
C++
86 lines
3 KiB
C++
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/*
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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 "CSSMatrixComponent.h"
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#include <LibWeb/Bindings/CSSMatrixComponentPrototype.h>
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#include <LibWeb/Bindings/Intrinsics.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(CSSMatrixComponent);
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GC::Ref<CSSMatrixComponent> CSSMatrixComponent::create(JS::Realm& realm, Is2D is_2d, GC::Ref<Geometry::DOMMatrix> matrix)
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{
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return realm.create<CSSMatrixComponent>(realm, is_2d, matrix);
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}
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// https://drafts.css-houdini.org/css-typed-om-1/#dom-cssmatrixcomponent-cssmatrixcomponent
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WebIDL::ExceptionOr<GC::Ref<CSSMatrixComponent>> CSSMatrixComponent::construct_impl(JS::Realm& realm, GC::Ref<Geometry::DOMMatrixReadOnly> matrix, Optional<CSSMatrixComponentOptions> options)
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{
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// The CSSMatrixComponent(matrix, options) constructor must, when invoked, perform the following steps:
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// 1. Let this be a new CSSMatrixComponent object with its matrix internal slot set to matrix.
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// NB: Done below.
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// 2. If options was passed and has a is2D field, set this’s is2D internal slot to the value of that field.
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// 3. Otherwise, set this’s is2D internal slot to the value of matrix’s is2D internal slot.
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auto is_2d = matrix->is2d() ? Is2D::Yes : Is2D::No;
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if (options.has_value() && options->is2d.has_value())
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is_2d = options->is2d.value() ? Is2D::Yes : Is2D::No;
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auto this_ = CSSMatrixComponent::create(realm, is_2d, Geometry::DOMMatrix::create_from_dom_matrix_read_only(realm, matrix));
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// 4. Return this.
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return this_;
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}
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CSSMatrixComponent::CSSMatrixComponent(JS::Realm& realm, Is2D is_2d, GC::Ref<Geometry::DOMMatrix> matrix)
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: CSSTransformComponent(realm, is_2d)
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, m_matrix(matrix)
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{
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}
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CSSMatrixComponent::~CSSMatrixComponent() = default;
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void CSSMatrixComponent::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(CSSMatrixComponent);
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Base::initialize(realm);
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}
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void CSSMatrixComponent::visit_edges(Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_matrix);
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}
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// https://drafts.css-houdini.org/css-typed-om-1/#serialize-a-cssmatrixcomponent
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WebIDL::ExceptionOr<Utf16String> CSSMatrixComponent::to_string() const
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{
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// 1. Return the serialization of this’s matrix internal slot.
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// FIXME: This means we ignore our is_2d state. https://github.com/w3c/css-houdini-drafts/issues/1155
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return Utf16String::from_utf8(TRY(m_matrix->to_string()));
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}
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WebIDL::ExceptionOr<GC::Ref<Geometry::DOMMatrix>> CSSMatrixComponent::to_matrix() const
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{
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// AD-HOC: Not specced, but we already have a matrix so use that.
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// https://github.com/w3c/css-houdini-drafts/issues/1153
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return matrix();
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}
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WebIDL::ExceptionOr<void> CSSMatrixComponent::set_matrix(GC::Ref<Geometry::DOMMatrix> matrix)
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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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// FIXME: Should this modify is_2d? Or should we modify the matrix's is_2d?
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m_matrix = matrix;
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return {};
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}
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}
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