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LibWeb: Make MutationRecord GC-allocated
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9 changed files with 72 additions and 71 deletions
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@ -6,33 +6,44 @@
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#pragma once
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#include <AK/RefCounted.h>
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#include <LibWeb/Bindings/Wrappable.h>
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#include <LibWeb/Bindings/PlatformObject.h>
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namespace Web::DOM {
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// https://dom.spec.whatwg.org/#mutationrecord
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// NOTE: This is implemented as a pure virtual interface with the actual implementation in the CPP file to prevent this circular dependency: Node.h -> MutationRecord.h -> MutationObserver.h -> Node.h
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// This is also why this uses raw pointers and references, since using (NN)RP requires us to include the templated type, even in a header specifying a function return type.
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class MutationRecord
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: public RefCounted<MutationRecord>
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, public Bindings::Wrappable {
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class MutationRecord : public Bindings::PlatformObject {
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WEB_PLATFORM_OBJECT(MutationRecord, Bindings::PlatformObject);
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public:
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using WrapperType = Bindings::MutationRecordWrapper;
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static JS::NonnullGCPtr<MutationRecord> create(HTML::Window&, FlyString const& type, Node& target, NodeList& added_nodes, NodeList& removed_nodes, Node* previous_sibling, Node* next_sibling, String const& attribute_name, String const& attribute_namespace, String const& old_value);
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static NonnullRefPtr<MutationRecord> create(FlyString const& type, Node& target, NodeList& added_nodes, NodeList& removed_nodes, Node* previous_sibling, Node* next_sibling, String const& attribute_name, String const& attribute_namespace, String const& old_value);
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virtual ~MutationRecord() override;
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virtual ~MutationRecord() override = default;
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FlyString const& type() const { return m_type; }
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Node const* target() const { return m_target; }
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NodeList const* added_nodes() const { return m_added_nodes; }
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NodeList const* removed_nodes() const { return m_removed_nodes; }
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Node const* previous_sibling() const { return m_previous_sibling; }
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Node const* next_sibling() const { return m_next_sibling; }
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String const& attribute_name() const { return m_attribute_name; }
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String const& attribute_namespace() const { return m_attribute_namespace; }
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String const& old_value() const { return m_old_value; }
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virtual FlyString const& type() const = 0;
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virtual Node const* target() const = 0;
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virtual NodeList const* added_nodes() const = 0;
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virtual NodeList const* removed_nodes() const = 0;
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virtual Node const* previous_sibling() const = 0;
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virtual Node const* next_sibling() const = 0;
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virtual String const& attribute_name() const = 0;
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virtual String const& attribute_namespace() const = 0;
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virtual String const& old_value() const = 0;
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private:
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MutationRecord(HTML::Window& window, FlyString const& type, Node& target, NodeList& added_nodes, NodeList& removed_nodes, Node* previous_sibling, Node* next_sibling, String const& attribute_name, String const& attribute_namespace, String const& old_value);
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virtual void visit_edges(Cell::Visitor&) override;
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FlyString m_type;
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JS::GCPtr<Node> m_target;
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JS::GCPtr<NodeList> m_added_nodes;
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JS::GCPtr<NodeList> m_removed_nodes;
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JS::GCPtr<Node> m_previous_sibling;
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JS::GCPtr<Node> m_next_sibling;
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String m_attribute_name;
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String m_attribute_namespace;
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String m_old_value;
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};
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}
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WRAPPER_HACK(MutationRecord, Web::DOM)
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