mirror of
https://github.com/RGBCube/serenity
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87 lines
3.5 KiB
C++
87 lines
3.5 KiB
C++
/*
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* Copyright (c) 2023, Luke Wilde <lukew@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 <LibJS/Heap/Heap.h>
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#include <LibJS/Runtime/Realm.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/SVG/SVGAnimatedString.h>
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#include <LibWeb/SVG/SVGElement.h>
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namespace Web::SVG {
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JS_DEFINE_ALLOCATOR(SVGAnimatedString);
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JS::NonnullGCPtr<SVGAnimatedString> SVGAnimatedString::create(JS::Realm& realm, JS::NonnullGCPtr<SVGElement> element, FlyString reflected_attribute, Optional<FlyString> deprecated_reflected_attribute, Optional<FlyString> initial_value)
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{
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return realm.heap().allocate<SVGAnimatedString>(realm, realm, element, move(reflected_attribute), move(deprecated_reflected_attribute), move(initial_value));
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}
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SVGAnimatedString::SVGAnimatedString(JS::Realm& realm, JS::NonnullGCPtr<SVGElement> element, FlyString reflected_attribute, Optional<FlyString> deprecated_reflected_attribute, Optional<FlyString> initial_value)
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: Bindings::PlatformObject(realm)
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, m_element(element)
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, m_reflected_attribute(move(reflected_attribute))
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, m_deprecated_reflected_attribute(move(deprecated_reflected_attribute))
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, m_initial_value(move(initial_value))
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{
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}
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SVGAnimatedString::~SVGAnimatedString() = default;
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void SVGAnimatedString::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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set_prototype(&Bindings::ensure_web_prototype<Bindings::SVGAnimatedStringPrototype>(realm, "SVGAnimatedString"_fly_string));
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}
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void SVGAnimatedString::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_element);
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}
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// https://svgwg.org/svg2-draft/types.html#__svg__SVGAnimatedString__baseVal
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String SVGAnimatedString::base_val() const
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{
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// On getting baseVal or animVal, the following steps are run:
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// 1. If the reflected attribute is not present, then:
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if (!m_element->has_attribute(m_reflected_attribute)) {
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// 1. If the SVGAnimatedString object is defined to additionally reflect a second, deprecated attribute,
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// and that attribute is present, then return its value.
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if (m_deprecated_reflected_attribute.has_value()) {
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if (auto attribute = m_element->get_attribute(m_deprecated_reflected_attribute.value()); attribute.has_value())
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return attribute.release_value();
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}
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// 2. Otherwise, if the reflected attribute has an initial value, then return it.
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if (m_initial_value.has_value())
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return m_initial_value.value().to_string();
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// 3. Otherwise, return the empty string.
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return {};
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}
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// 2. Otherwise, the reflected attribute is present. Return its value.
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return m_element->attribute(m_reflected_attribute).value();
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}
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// https://svgwg.org/svg2-draft/types.html#__svg__SVGAnimatedString__baseVal
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void SVGAnimatedString::set_base_val(String const& base_val)
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{
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// 1. If the reflected attribute is not present, the SVGAnimatedString object is defined to additionally reflect
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// a second, deprecated attribute, and that deprecated attribute is present, then set that deprecated attribute
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// to the specified value.
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if (!m_element->has_attribute(m_reflected_attribute)
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&& m_deprecated_reflected_attribute.has_value()
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&& m_element->has_attribute(m_deprecated_reflected_attribute.value())) {
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MUST(m_element->set_attribute(m_deprecated_reflected_attribute.value(), base_val));
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return;
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}
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// 2. Otherwise, set the reflected attribute to the specified value.
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MUST(m_element->set_attribute(m_reflected_attribute, base_val));
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}
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}
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