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LibWeb: Introduce Mutation{Record,Observer} and observer microtasks

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Luke Wilde 2022-07-11 16:37:51 +01:00 • committed by Andreas Kling
parent 116a7b74fe
commit c9ba5531e0
15 changed files with 531 additions and 0 deletions
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10
Userland/Libraries/LibWeb/DOM/Node.h
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@ -15,6 +15,7 @@
#include <LibWeb/Bindings/Wrappable.h>
#include <LibWeb/DOM/EventTarget.h>
#include <LibWeb/DOM/ExceptionOr.h>
#include <LibWeb/DOM/MutationObserver.h>
#include <LibWeb/TreeNode.h>
namespace Web::DOM {
@ -223,6 +224,11 @@ public:
size_t length() const;
NonnullRefPtrVector<RegisteredObserver>& registered_observers_list() { return m_registered_observer_list; }
NonnullRefPtrVector<RegisteredObserver> const& registered_observers_list() const { return m_registered_observer_list; }
void add_registered_observer(RegisteredObserver& registered_observer) { m_registered_observer_list.append(registered_observer); }
protected:
Node(Document&, NodeType);
@ -233,6 +239,10 @@ protected:
bool m_child_needs_style_update { false };
i32 m_id;
// https://dom.spec.whatwg.org/#registered-observer-list
// "Nodes have a strong reference to registered observers in their registered observer list." https://dom.spec.whatwg.org/#garbage-collection
NonnullRefPtrVector<RegisteredObserver> m_registered_observer_list;
};
}