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LibWeb: Bring Document::fallback_base_url closer to the spec

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Andrew Kaster 2024-02-04 03:41:07 -07:00 • committed by Andrew Kaster
parent 5d9d0aa267
commit 6e75440d5a
3 changed files with 25 additions and 5 deletions
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15
Userland/Libraries/LibWeb/DOM/Document.cpp
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@ -910,11 +910,18 @@ JS::GCPtr<HTML::HTMLBaseElement const> Document::first_base_element_with_href_in
// https://html.spec.whatwg.org/multipage/urls-and-fetching.html#fallback-base-url
AK::URL Document::fallback_base_url() const
{
// FIXME: 1. If document is an iframe srcdoc document, then return the document base URL of document's browsing context's container document.
// 1. If document is an iframe srcdoc document, then:
if (HTML::url_matches_about_srcdoc(m_url)) {
// 1. Assert: document's about base URL is non-null.
VERIFY(m_about_base_url.has_value());
// 2. If document's URL is about:blank, and document's browsing context's creator base URL is non-null, then return that creator base URL.
if (m_url == "about:blank"sv && browsing_context() && browsing_context()->creator_url().has_value())
return browsing_context()->creator_url().value();
// 2. Return document's about base URL.
return m_about_base_url.value();
}
// 2. If document's URL matches about:blank and document's about base URL is non-null, then return document's about base URL.
if (HTML::url_matches_about_blank(m_url) && m_about_base_url.has_value())
return m_about_base_url.value();
// 3. Return document's URL.
return m_url;