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LibWeb: Implement "document-tree child navigables"

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This commit is contained in:
Andreas Kling 2022-12-16 13:52:12 +01:00
parent d56f127c80
commit 234a73e43e
2 changed files with 26 additions and 0 deletions
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25
Userland/Libraries/LibWeb/DOM/Document.cpp
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@ -2594,6 +2594,31 @@ Vector<JS::Handle<HTML::Navigable>> Document::inclusive_ancestor_navigables()
return navigables;
}
// https://html.spec.whatwg.org/multipage/document-sequences.html#document-tree-child-navigables
Vector<JS::Handle<HTML::Navigable>> Document::document_tree_child_navigables()
{
// 1. If document's node navigable is null, then return the empty list.
if (!navigable())
return {};
// 2. Let navigables be new list.
Vector<JS::Handle<HTML::Navigable>> navigables;
// 3. Let navigableContainers be a list of all descendants of document that are navigable containers, in tree order.
// 4. For each navigableContainer of navigableContainers:
for_each_in_subtree_of_type<HTML::NavigableContainer>([&](HTML::NavigableContainer& navigable_container) {
// 1. If navigableContainer's content navigable is null, then continue.
if (!navigable_container.content_navigable())
return IterationDecision::Continue;
// 2. Append navigableContainer's content navigable to navigables.
navigables.append(*navigable_container.content_navigable());
return IterationDecision::Continue;
});
// 5. 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
{