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LibWeb: Allocate custom element reactions queue on demand

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This shrinks most DOM elements by 16 bytes.
This commit is contained in:
Andreas Kling 2023-11-19 21:53:58 +01:00
parent ac8bb89f50
commit 7ee47d81ca
3 changed files with 20 additions and 9 deletions
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8
Userland/Libraries/LibWeb/DOM/Element.h
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@ -325,8 +325,10 @@ public:
void enqueue_a_custom_element_upgrade_reaction(HTML::CustomElementDefinition& custom_element_definition);
void enqueue_a_custom_element_callback_reaction(FlyString const& callback_name, JS::MarkedVector<JS::Value> arguments);
Vector<Variant<CustomElementUpgradeReaction, CustomElementCallbackReaction>>& custom_element_reaction_queue() { return m_custom_element_reaction_queue; }
Vector<Variant<CustomElementUpgradeReaction, CustomElementCallbackReaction>> const& custom_element_reaction_queue() const { return m_custom_element_reaction_queue; }
using CustomElementReactionQueue = Vector<Variant<CustomElementUpgradeReaction, CustomElementCallbackReaction>>;
CustomElementReactionQueue* custom_element_reaction_queue() { return m_custom_element_reaction_queue; }
CustomElementReactionQueue const* custom_element_reaction_queue() const { return m_custom_element_reaction_queue; }
CustomElementReactionQueue& ensure_custom_element_reaction_queue();
JS::ThrowCompletionOr<void> upgrade_element(JS::NonnullGCPtr<HTML::CustomElementDefinition> custom_element_definition);
void try_to_upgrade();
@ -416,7 +418,7 @@ private:
// https://html.spec.whatwg.org/multipage/custom-elements.html#custom-element-reaction-queue
// All elements have an associated custom element reaction queue, initially empty. Each item in the custom element reaction queue is of one of two types:
// NOTE: See the structs at the top of this header.
Vector<Variant<CustomElementUpgradeReaction, CustomElementCallbackReaction>> m_custom_element_reaction_queue;
OwnPtr<CustomElementReactionQueue> m_custom_element_reaction_queue;
// https://dom.spec.whatwg.org/#concept-element-custom-element-state
CustomElementState m_custom_element_state { CustomElementState::Undefined };