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e42eaa5d95
We immediately use this in CSSStyleDeclaration to fix that "background" in element.style did not return true. This is the mechanism used in css3test.com for detecting support of features.
73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
/*
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* Copyright (c) 2021, Andreas Kling <kling@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 <AK/ScopeGuard.h>
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#include <LibWeb/Bindings/CSSStyleDeclarationWrapper.h>
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#include <LibWeb/CSS/Parser/DeprecatedCSSParser.h>
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#include <LibWeb/DOM/Element.h>
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namespace Web::Bindings {
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bool CSSStyleDeclarationWrapper::internal_has_property(JS::PropertyName const& name) const
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{
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// FIXME: These should actually use camelCase versions of the property names!
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auto property_id = CSS::property_id_from_string(name.to_string());
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return property_id != CSS::PropertyID::Invalid;
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}
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JS::Value CSSStyleDeclarationWrapper::internal_get(const JS::PropertyName& name, JS::Value receiver) const
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{
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// FIXME: These should actually use camelCase versions of the property names!
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auto property_id = CSS::property_id_from_string(name.to_string());
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if (property_id == CSS::PropertyID::Invalid)
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return Base::internal_get(name, receiver);
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for (auto& property : impl().properties()) {
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if (property.property_id == property_id)
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return js_string(vm(), property.value->to_string());
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}
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return js_string(vm(), String::empty());
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}
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bool CSSStyleDeclarationWrapper::internal_set(const JS::PropertyName& name, JS::Value value, JS::Value receiver)
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{
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// FIXME: These should actually use camelCase versions of the property names!
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auto property_id = CSS::property_id_from_string(name.to_string());
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if (property_id == CSS::PropertyID::Invalid)
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return Base::internal_set(name, value, receiver);
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auto css_text = value.to_string(global_object());
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if (vm().exception())
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return false;
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auto new_value = parse_css_value(CSS::DeprecatedParsingContext {}, css_text, property_id);
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// FIXME: What are we supposed to do if we can't parse it?
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if (!new_value)
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return false;
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ScopeGuard style_invalidation_guard = [&] {
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auto& declaration = verify_cast<CSS::ElementInlineCSSStyleDeclaration>(impl());
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if (auto* element = declaration.element())
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element->invalidate_style();
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};
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// FIXME: I don't think '!important' is being handled correctly here..
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for (auto& property : impl().m_properties) {
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if (property.property_id == property_id) {
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property.value = new_value.release_nonnull();
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return true;
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}
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}
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impl().m_properties.append(CSS::StyleProperty {
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.property_id = property_id,
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.value = new_value.release_nonnull(),
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.important = false,
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});
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return true;
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}
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}
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