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LibWeb: Add an interface to be notified of Document state changes
Some HTML elements, e.g. HTMLMediaElement, need to take action when the document becomes inactive.
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6 changed files with 92 additions and 1 deletions
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@ -394,6 +394,9 @@ public:
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void register_node_iterator(Badge<NodeIterator>, NodeIterator&);
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void unregister_node_iterator(Badge<NodeIterator>, NodeIterator&);
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void register_document_observer(Badge<DocumentObserver>, DocumentObserver&);
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void unregister_document_observer(Badge<DocumentObserver>, DocumentObserver&);
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template<typename Callback>
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void for_each_node_iterator(Callback callback)
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{
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@ -588,6 +591,8 @@ private:
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HashTable<JS::GCPtr<NodeIterator>> m_node_iterators;
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HashTable<JS::NonnullGCPtr<DocumentObserver>> m_document_observers;
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// https://html.spec.whatwg.org/multipage/dom.html#is-initial-about:blank
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bool m_is_initial_about_blank { false };
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