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LibWeb: Implement HTMLOrSVGElement.tabIndex

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Luke Wilde 2022-11-05 03:58:14 +00:00 • committed by Andreas Kling
parent 6c21c72492
commit 1473bc9169
22 changed files with 119 additions and 0 deletions
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26
Userland/Libraries/LibWeb/DOM/Element.cpp
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@ -731,6 +731,32 @@ void Element::serialize_pseudo_elements_as_json(JsonArraySerializer<StringBuilde
}
}
// https://html.spec.whatwg.org/multipage/interaction.html#dom-tabindex
i32 Element::default_tab_index_value() const
{
// The default value is 0 if the element is an a, area, button, frame, iframe, input, object, select, textarea, or SVG a element, or is a summary element that is a summary for its parent details.
// The default value is −1 otherwise.
// Note: The varying default value based on element type is a historical artifact.
// FIXME: We currently do not have the SVG a element.
return -1;
}
// https://html.spec.whatwg.org/multipage/interaction.html#dom-tabindex
i32 Element::tab_index() const
{
// FIXME: I'm not sure if "to_int" exactly matches the specs "rules for parsing integers"
auto maybe_table_index = attribute(HTML::AttributeNames::tabindex).to_int<i32>();
if (!maybe_table_index.has_value())
return default_tab_index_value();
return maybe_table_index.value();
}
// https://html.spec.whatwg.org/multipage/interaction.html#dom-tabindex
void Element::set_tab_index(i32 tab_index)
{
MUST(set_attribute(HTML::AttributeNames::tabindex, String::number(tab_index)));
}
// https://html.spec.whatwg.org/multipage/semantics-other.html#concept-element-disabled
bool Element::is_actually_disabled() const
{

4
Userland/Libraries/LibWeb/DOM/Element.h
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@ -154,6 +154,9 @@ public:
void clear_pseudo_element_nodes(Badge<Layout::TreeBuilder>);
void serialize_pseudo_elements_as_json(JsonArraySerializer<StringBuilder>& children_array) const;
i32 tab_index() const;
void set_tab_index(i32 tab_index);
bool is_actually_disabled() const;
WebIDL::ExceptionOr<JS::GCPtr<Element>> insert_adjacent_element(String const& where, JS::NonnullGCPtr<Element> element);
@ -167,6 +170,7 @@ protected:
virtual void initialize(JS::Realm&) override;
virtual void children_changed() override;
virtual i32 default_tab_index_value() const;
virtual void visit_edges(Cell::Visitor&) override;