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LibWeb: Cache HTMLInputElement's parsed type attribute when it changes

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This will let us avoid parsing the type each time type() or type_state()
are invoked.
This commit is contained in:
Timothy Flynn 2022-03-16 07:44:21 -04:00 • committed by Andreas Kling
parent 1ac0116688
commit 95b084a08f
2 changed files with 19 additions and 0 deletions
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16
Userland/Libraries/LibWeb/HTML/HTMLInputElement.cpp
View file

@ -207,9 +207,25 @@ void HTMLInputElement::parse_attribute(FlyString const& name, String const& valu
// the user agent must set the checkedness of the element to true
if (!m_dirty_checkedness)
set_checked(true, ChangeSource::Programmatic);
} else if (name == HTML::AttributeNames::type) {
m_type = parse_type_attribute(value);
}
}
HTMLInputElement::TypeAttributeState HTMLInputElement::parse_type_attribute(StringView type)
{
#define __ENUMERATE_HTML_INPUT_TYPE_ATTRIBUTE(keyword, state) \
if (type.equals_ignoring_case(#keyword)) \
return HTMLInputElement::TypeAttributeState::state;
ENUMERATE_HTML_INPUT_TYPE_ATTRIBUTES
#undef __ENUMERATE_HTML_INPUT_TYPE_ATTRIBUTE
// The missing value default and the invalid value default are the Text state.
// https://html.spec.whatwg.org/multipage/input.html#the-input-element:missing-value-default
// https://html.spec.whatwg.org/multipage/input.html#the-input-element:invalid-value-default
return HTMLInputElement::TypeAttributeState::Text;
}
void HTMLInputElement::did_remove_attribute(FlyString const& name)
{
FormAssociatedElement::did_remove_attribute(name);

3
Userland/Libraries/LibWeb/HTML/HTMLInputElement.h
View file

@ -105,6 +105,7 @@ private:
virtual void legacy_cancelled_activation_behavior() override;
virtual void legacy_cancelled_activation_behavior_was_not_called() override;
static TypeAttributeState parse_type_attribute(StringView);
void create_shadow_tree_if_needed();
void run_input_activation_behavior();
void set_checked_within_group();
@ -121,6 +122,8 @@ private:
// https://html.spec.whatwg.org/multipage/input.html#the-input-element:legacy-pre-activation-behavior
bool m_before_legacy_pre_activation_behavior_checked { false };
RefPtr<HTMLInputElement> m_legacy_pre_activation_behavior_checked_element_in_group;
TypeAttributeState m_type { TypeAttributeState::Text };
};
}