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LibWeb: Implement getting "descendant navigables" of a document

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This commit is contained in:
Andreas Kling 2022-12-16 15:06:55 +01:00
parent 21e383c24f
commit 7af09481f5
2 changed files with 42 additions and 0 deletions
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39
Userland/Libraries/LibWeb/DOM/Document.cpp
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@ -2316,6 +2316,45 @@ HTML::PolicyContainer Document::policy_container() const
return m_policy_container;
}
// https://html.spec.whatwg.org/multipage/document-sequences.html#descendant-navigables
Vector<JS::Handle<HTML::Navigable>> Document::descendant_navigables()
{
// 1. Let navigables be new list.
Vector<JS::Handle<HTML::Navigable>> navigables;
// 2. Let navigableContainers be a list of all shadow-including descendants of document that are navigable containers, in shadow-including tree order.
// 3. For each navigableContainer of navigableContainers:
for_each_shadow_including_descendant([&](DOM::Node& node) {
if (is<HTML::NavigableContainer>(node)) {
auto& navigable_container = static_cast<HTML::NavigableContainer&>(node);
// 1. If navigableContainer's content navigable is null, then continue.
if (!navigable_container.content_navigable())
return IterationDecision::Continue;
// 2. Extend navigables with navigableContainer's content navigable's active document's inclusive descendant navigables.
navigables.extend(navigable_container.content_navigable()->active_document()->inclusive_descendant_navigables());
}
return IterationDecision::Continue;
});
// 4. Return navigables.
return navigables;
}
// https://html.spec.whatwg.org/multipage/document-sequences.html#inclusive-descendant-navigables
Vector<JS::Handle<HTML::Navigable>> Document::inclusive_descendant_navigables()
{
// 1. Let navigables be « document's node navigable ».
Vector<JS::Handle<HTML::Navigable>> navigables;
navigables.append(*navigable());
// 2. Extend navigables with document's descendant navigables.
navigables.extend(descendant_navigables());
// 3. Return navigables.
return navigables;
}
// https://html.spec.whatwg.org/multipage/browsers.html#list-of-the-descendant-browsing-contexts
Vector<JS::Handle<HTML::BrowsingContext>> Document::list_of_descendant_browsing_contexts() const
{