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If `HTMLMarqueeElemnt.scrollAmount` or `HTMLMarqueeElemnt.scrollDelay` is set to a value larger than 2147483647, then it should be set to its default value.
103 lines
4.3 KiB
C++
103 lines
4.3 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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* Copyright (c) 2024, Jamie Mansfield <jmansfield@cadixdev.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/Bindings/HTMLMarqueeElementPrototype.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/CSS/StyleProperties.h>
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#include <LibWeb/CSS/StyleValues/CSSColorValue.h>
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#include <LibWeb/HTML/HTMLMarqueeElement.h>
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#include <LibWeb/HTML/Numbers.h>
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#include <LibWeb/HTML/Parser/HTMLParser.h>
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namespace Web::HTML {
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GC_DEFINE_ALLOCATOR(HTMLMarqueeElement);
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HTMLMarqueeElement::HTMLMarqueeElement(DOM::Document& document, DOM::QualifiedName qualified_name)
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: HTMLElement(document, move(qualified_name))
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{
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}
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HTMLMarqueeElement::~HTMLMarqueeElement() = default;
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void HTMLMarqueeElement::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLMarqueeElement);
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}
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void HTMLMarqueeElement::apply_presentational_hints(CSS::StyleProperties& style) const
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{
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HTMLElement::apply_presentational_hints(style);
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for_each_attribute([&](auto& name, auto& value) {
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if (name == HTML::AttributeNames::bgcolor) {
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// https://html.spec.whatwg.org/multipage/rendering.html#the-marquee-element-2:rules-for-parsing-a-legacy-colour-value
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auto color = parse_legacy_color_value(value);
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if (color.has_value())
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style.set_property(CSS::PropertyID::BackgroundColor, CSS::CSSColorValue::create_from_color(color.value()));
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} else if (name == HTML::AttributeNames::height) {
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// https://html.spec.whatwg.org/multipage/rendering.html#the-marquee-element-2:maps-to-the-dimension-property
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if (auto parsed_value = parse_dimension_value(value)) {
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style.set_property(CSS::PropertyID::Height, *parsed_value);
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}
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} else if (name == HTML::AttributeNames::hspace) {
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if (auto parsed_value = parse_dimension_value(value)) {
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style.set_property(CSS::PropertyID::MarginLeft, *parsed_value);
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style.set_property(CSS::PropertyID::MarginRight, *parsed_value);
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}
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} else if (name == HTML::AttributeNames::vspace) {
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if (auto parsed_value = parse_dimension_value(value)) {
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style.set_property(CSS::PropertyID::MarginTop, *parsed_value);
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style.set_property(CSS::PropertyID::MarginBottom, *parsed_value);
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}
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} else if (name == HTML::AttributeNames::width) {
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if (auto parsed_value = parse_dimension_value(value)) {
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style.set_property(CSS::PropertyID::Width, *parsed_value);
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}
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}
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});
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}
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// https://html.spec.whatwg.org/multipage/obsolete.html#dom-marquee-scrollamount
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WebIDL::UnsignedLong HTMLMarqueeElement::scroll_amount()
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{
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// The scrollAmount IDL attribute must reflect the scrollamount content attribute. The default value is 6.
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if (auto scroll_amount_string = get_attribute(HTML::AttributeNames::scrollamount); scroll_amount_string.has_value()) {
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if (auto scroll_amount = parse_non_negative_integer(*scroll_amount_string); scroll_amount.has_value() && *scroll_amount <= 2147483647)
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return *scroll_amount;
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}
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return 6;
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}
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// https://html.spec.whatwg.org/multipage/obsolete.html#dom-marquee-scrollamount
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WebIDL::ExceptionOr<void> HTMLMarqueeElement::set_scroll_amount(WebIDL::UnsignedLong value)
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{
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if (value > 2147483647)
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value = 6;
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return set_attribute(HTML::AttributeNames::scrollamount, String::number(value));
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}
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// https://html.spec.whatwg.org/multipage/obsolete.html#dom-marquee-scrolldelay
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WebIDL::UnsignedLong HTMLMarqueeElement::scroll_delay()
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{
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// The scrollDelay IDL attribute must reflect the scrolldelay content attribute. The default value is 85.
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if (auto scroll_delay_string = get_attribute(HTML::AttributeNames::scrolldelay); scroll_delay_string.has_value()) {
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if (auto scroll_delay = parse_non_negative_integer(*scroll_delay_string); scroll_delay.has_value() && *scroll_delay <= 2147483647)
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return *scroll_delay;
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}
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return 85;
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}
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// https://html.spec.whatwg.org/multipage/obsolete.html#dom-marquee-scrolldelay
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WebIDL::ExceptionOr<void> HTMLMarqueeElement::set_scroll_delay(WebIDL::UnsignedLong value)
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{
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if (value > 2147483647)
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value = 85;
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return set_attribute(HTML::AttributeNames::scrolldelay, String::number(value));
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}
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}
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