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LibWeb: Add ol start and li value attributes support

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Bastiaan van der Plaat 2023-10-11 18:42:09 +02:00 • committed by Andreas Kling
parent d2fbc15f5d
commit 1cdbfc2ff1
10 changed files with 189 additions and 16 deletions
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1
Userland/Libraries/LibWeb/HTML/AttributeNames.h
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@ -223,6 +223,7 @@ namespace AttributeNames {
__ENUMERATE_HTML_ATTRIBUTE(srclang) \
__ENUMERATE_HTML_ATTRIBUTE(srcset) \
__ENUMERATE_HTML_ATTRIBUTE(standby) \
__ENUMERATE_HTML_ATTRIBUTE(start) \
__ENUMERATE_HTML_ATTRIBUTE(step) \
__ENUMERATE_HTML_ATTRIBUTE(style) \
__ENUMERATE_HTML_ATTRIBUTE(summary) \

6
Userland/Libraries/LibWeb/HTML/HTMLLIElement.h
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@ -20,6 +20,12 @@ public:
// https://www.w3.org/TR/html-aria/#el-li
virtual Optional<ARIA::Role> default_role() const override { return ARIA::Role::listitem; }
i32 value() { return get_attribute(AttributeNames::value).value_or("0"_string).to_number<i32>().value_or(0); }
void set_value(i32 value)
{
set_attribute(AttributeNames::value, MUST(String::number(value))).release_value_but_fixme_should_propagate_errors();
}
private:
HTMLLIElement(DOM::Document&, DOM::QualifiedName);

2
Userland/Libraries/LibWeb/HTML/HTMLLIElement.idl
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@ -6,7 +6,7 @@ interface HTMLLIElement : HTMLElement {
[HTMLConstructor] constructor();
// FIXME: [CEReactions] attribute long value;
[CEReactions] attribute long value;
// Obsolete
[CEReactions, Reflect] attribute DOMString type;

6
Userland/Libraries/LibWeb/HTML/HTMLOListElement.h
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@ -20,6 +20,12 @@ public:
// https://www.w3.org/TR/html-aria/#el-ol
virtual Optional<ARIA::Role> default_role() const override { return ARIA::Role::list; }
i32 start() { return get_attribute(AttributeNames::start).value_or("1"_string).to_number<i32>().value_or(1); }
void set_start(i32 start)
{
set_attribute(AttributeNames::start, MUST(String::number(start))).release_value_but_fixme_should_propagate_errors();
}
private:
HTMLOListElement(DOM::Document&, DOM::QualifiedName);

2
Userland/Libraries/LibWeb/HTML/HTMLOListElement.idl
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@ -7,7 +7,7 @@ interface HTMLOListElement : HTMLElement {
[HTMLConstructor] constructor();
[CEReactions, Reflect] attribute boolean reversed;
// FIXME: [CEReactions] attribute long start;
[CEReactions] attribute long start;
[CEReactions, Reflect] attribute DOMString type;
// Obsolete

29
Userland/Libraries/LibWeb/Layout/TreeBuilder.cpp
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@ -20,6 +20,8 @@
#include <LibWeb/Dump.h>
#include <LibWeb/HTML/HTMLButtonElement.h>
#include <LibWeb/HTML/HTMLInputElement.h>
#include <LibWeb/HTML/HTMLLIElement.h>
#include <LibWeb/HTML/HTMLOListElement.h>
#include <LibWeb/HTML/HTMLProgressElement.h>
#include <LibWeb/HTML/HTMLSlotElement.h>
#include <LibWeb/Layout/ListItemBox.h>
@ -251,6 +253,30 @@ static bool is_ignorable_whitespace(Layout::Node const& node)
return false;
}
i32 TreeBuilder::calculate_list_item_index(DOM::Node& dom_node)
{
if (is<HTML::HTMLLIElement>(dom_node)) {
auto& li = static_cast<HTML::HTMLLIElement&>(dom_node);
if (li.value() != 0)
return li.value();
}
if (dom_node.previous_sibling() != nullptr) {
DOM::Node* current = dom_node.previous_sibling();
while (current != nullptr) {
if (is<HTML::HTMLLIElement>(*current))
return calculate_list_item_index(*current) + 1;
current = current->previous_sibling();
}
}
if (is<HTML::HTMLOListElement>(*dom_node.parent())) {
auto& ol = static_cast<HTML::HTMLOListElement&>(*dom_node.parent());
return ol.start();
}
return 1;
}
ErrorOr<void> TreeBuilder::create_layout_tree(DOM::Node& dom_node, TreeBuilder::Context& context)
{
JS::GCPtr<Layout::Node> layout_node;
@ -349,9 +375,8 @@ ErrorOr<void> TreeBuilder::create_layout_tree(DOM::Node& dom_node, TreeBuilder::
if (is<ListItemBox>(*layout_node)) {
auto& element = static_cast<DOM::Element&>(dom_node);
int child_index = layout_node->parent()->index_of_child<ListItemBox>(*layout_node).value();
auto marker_style = TRY(style_computer.compute_style(element, CSS::Selector::PseudoElement::Marker));
auto list_item_marker = document.heap().allocate_without_realm<ListItemMarkerBox>(document, layout_node->computed_values().list_style_type(), layout_node->computed_values().list_style_position(), child_index + 1, *marker_style);
auto list_item_marker = document.heap().allocate_without_realm<ListItemMarkerBox>(document, layout_node->computed_values().list_style_type(), layout_node->computed_values().list_style_position(), calculate_list_item_index(dom_node), *marker_style);
static_cast<ListItemBox&>(*layout_node).set_marker(list_item_marker);
element.set_pseudo_element_node({}, CSS::Selector::PseudoElement::Marker, list_item_marker);
layout_node->append_child(*list_item_marker);

2
Userland/Libraries/LibWeb/Layout/TreeBuilder.h
View file

@ -25,6 +25,8 @@ private:
bool has_svg_root = false;
};
i32 calculate_list_item_index(DOM::Node&);
ErrorOr<void> create_layout_tree(DOM::Node&, Context&);
void push_parent(Layout::NodeWithStyle& node) { m_ancestor_stack.append(node); }