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LibWeb: Add assorted AOs related to populating the navigation API's SHEs

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Andrew Kaster 2023-09-27 22:56:11 -06:00 • committed by Alexander Kalenik
parent 49e0466a3d
commit a8091c009b
6 changed files with 246 additions and 1 deletions
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15
Userland/Libraries/LibWeb/DOM/Document.cpp
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@ -3605,6 +3605,21 @@ Painting::ViewportPaintable* Document::paintable()
return static_cast<Painting::ViewportPaintable*>(Node::paintable());
}
// https://html.spec.whatwg.org/multipage/browsing-the-web.html#restore-the-history-object-state
void Document::restore_the_history_object_state(JS::NonnullGCPtr<HTML::SessionHistoryEntry> entry)
{
// 1. Let targetRealm be document's relevant realm.
auto& target_realm = HTML::relevant_realm(*this);
// 2. Let state be StructuredDeserialize(entry's classic history API state, targetRealm). If this throws an exception, catch it and let state be null.
// 3. Set document's history object's state to state.
auto state_or_error = HTML::structured_deserialize(target_realm.vm(), entry->classic_history_api_state, target_realm, {});
if (state_or_error.is_error())
m_history->set_state(JS::js_null());
else
m_history->set_state(state_or_error.release_value());
}
// https://html.spec.whatwg.org/multipage/browsing-the-web.html#update-document-for-history-step-application
void Document::update_for_history_step_application(JS::NonnullGCPtr<HTML::SessionHistoryEntry> entry, bool do_not_reactive, size_t script_history_length, size_t script_history_index)
{