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LibWeb: Add index and length into HTML::History

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Aliaksandr Kalenik 2023-09-23 22:57:04 +02:00 • committed by Andrew Kaster
parent 0f8ae12d44
commit 40cbe9e72b
3 changed files with 11 additions and 10 deletions
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10
Userland/Libraries/LibWeb/HTML/History.cpp
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@ -54,16 +54,12 @@ WebIDL::ExceptionOr<void> History::replace_state(JS::Value data, String const&,
// https://html.spec.whatwg.org/multipage/history.html#dom-history-length
WebIDL::ExceptionOr<u64> History::length() const
{
// 1. If this's associated Document is not fully active, then throw a "SecurityError" DOMException.
// 1. If this's relevant global object's associated Document is not fully active, then throw a "SecurityError" DOMException.
if (!m_associated_document->is_fully_active())
return WebIDL::SecurityError::create(realm(), "Cannot perform length on a document that isn't fully active."_fly_string);
// 2. Return the number of entries in the top-level browsing context's joint session history.
auto const* browsing_context = m_associated_document->browsing_context();
// FIXME: We don't have the concept of "joint session history", this is an ad-hoc implementation.
// See: https://html.spec.whatwg.org/multipage/history.html#joint-session-history
return browsing_context->session_history().size();
// 2. Return this's length.
return m_length;
}
// https://html.spec.whatwg.org/multipage/history.html#dom-history-go