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LibWeb: Make DOMImplementation forward its ref count to DOM::Document

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This allows document.implementation to keep the underlying document
alive for as long as we need it (for example, if someone holds on to a
DOMImplementation JS wrapper after the document is GC'd.)
This commit is contained in:
Andreas Kling 2021-12-09 12:51:05 +01:00
parent e1287a9a45
commit d368b08698
4 changed files with 22 additions and 14 deletions
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8
Userland/Libraries/LibWeb/DOM/Document.cpp
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@ -22,6 +22,7 @@
#include <LibWeb/DOM/Comment.h>
#include <LibWeb/DOM/CustomEvent.h>
#include <LibWeb/DOM/DOMException.h>
#include <LibWeb/DOM/DOMImplementation.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/DocumentFragment.h>
#include <LibWeb/DOM/DocumentType.h>
@ -71,7 +72,7 @@ Document::Document(const AK::URL& url)
, m_style_sheets(CSS::StyleSheetList::create(*this))
, m_url(url)
, m_window(Window::create_with_document(*this))
, m_implementation(DOMImplementation::create(*this))
, m_implementation(DOMImplementation::create({}, *this))
, m_history(HTML::History::create(*this))
{
HTML::main_thread_event_loop().register_document({}, *this);
@ -1136,4 +1137,9 @@ void Document::evaluate_media_queries_and_report_changes()
}
}
NonnullRefPtr<DOMImplementation> Document::implementation() const
{
return *m_implementation;
}
}