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https://github.com/LadybirdBrowser/ladybird.git
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a6dfc74e93
Before this change, we were going through the chain of base classes for each IDL interface object and having them set the prototype to their prototype. Instead of doing that, reorder things so that we set the right prototype immediately in Foo::initialize(), and then don't bother in all the base class overrides. This knocks off a ~1% profile item on Speedometer 3.
88 lines
3.5 KiB
C++
88 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 <LibGC/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/Bindings/SVGAnimatedStringPrototype.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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GC_DEFINE_ALLOCATOR(SVGAnimatedString);
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GC::Ref<SVGAnimatedString> SVGAnimatedString::create(JS::Realm& realm, GC::Ref<SVGElement> element, FlyString reflected_attribute, Optional<FlyString> deprecated_reflected_attribute, Optional<FlyString> initial_value)
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{
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return realm.create<SVGAnimatedString>(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, GC::Ref<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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WEB_SET_PROTOTYPE_FOR_INTERFACE(SVGAnimatedString);
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Base::initialize(realm);
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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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