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LibWeb: Implement CSS validity pseudo-classes

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This commit is contained in:
Psychpsyo
2025-02-02 20:41:23 +01:00
committed by Sam Atkins
parent 39e17e83f9
commit bad7324307
15 changed files with 745 additions and 29 deletions
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11
Libraries/LibWeb/HTML/HTMLTextAreaElement.cpp
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@@ -110,7 +110,8 @@ i32 HTMLTextAreaElement::default_tab_index_value() const
// https://html.spec.whatwg.org/multipage/form-elements.html#the-textarea-element:concept-form-reset-control
void HTMLTextAreaElement::reset_algorithm()
{
// The reset algorithm for textarea elements is to set the dirty value flag back to false,
// The reset algorithm for textarea elements is to set the user validity to false, dirty value flag back to false,
m_user_validity = false;
m_dirty_value = false;
// and set the raw value of element to its child text content.
set_raw_value(child_text_content());
@@ -486,4 +487,12 @@ bool HTMLTextAreaElement::is_focusable() const
return enabled();
}
// https://html.spec.whatwg.org/multipage/form-elements.html#the-textarea-element%3Asuffering-from-being-missing
bool HTMLTextAreaElement::suffering_from_being_missing() const
{
// If the element has its required attribute specified, and the element is mutable, and the element's value is the empty string, then the element is suffering from
// being missing.
return has_attribute(HTML::AttributeNames::required) && is_mutable() && value().is_empty();
}
}