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LibWeb: Refactor "editable" and "editing host" concepts

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The DOM spec defines what it means for an element to be an "editing
host", and the Editing spec does the same for the "editable" concept.
Replace our `Node::is_editable()` implementation with these
spec-compliant algorithms.

An editing host is an element that has the properties to make its
contents effectively editable. Editable elements are descendants of an
editing host. Concepts like the inheritable contenteditable attribute
are propagated through the editable algorithm.
This commit is contained in:
Jelle Raaijmakers
2024-12-06 11:41:20 +01:00
committed by Jelle Raaijmakers
parent f88c13a58c
commit 1c55153d43
22 changed files with 85 additions and 102 deletions
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18
Libraries/LibWeb/HTML/HTMLInputElement.cpp
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@@ -336,7 +336,7 @@ WebIDL::ExceptionOr<void> HTMLInputElement::show_picker()
// The showPicker() method steps are:
// 1. If this is not mutable, then throw an "InvalidStateError" DOMException.
if (!m_is_mutable)
if (!is_mutable())
return WebIDL::InvalidStateError::create(realm(), "Element is not mutable"_string);
// 2. If this's relevant settings object's origin is not same origin with this's relevant settings object's top-level origin,
@@ -712,10 +712,7 @@ void HTMLInputElement::handle_maxlength_attribute()
void HTMLInputElement::handle_readonly_attribute(Optional<String> const& maybe_value)
{
// The readonly attribute is a boolean attribute that controls whether or not the user can edit the form control. When specified, the element is not mutable.
m_is_mutable = !maybe_value.has_value() || !is_allowed_to_be_readonly(m_type);
if (m_text_node)
m_text_node->set_always_editable(m_is_mutable);
set_is_mutable(!maybe_value.has_value() || !is_allowed_to_be_readonly(m_type));
}
// https://html.spec.whatwg.org/multipage/input.html#the-input-element:attr-input-placeholder-3
@@ -871,12 +868,7 @@ void HTMLInputElement::create_text_input_shadow_tree()
MUST(element->append_child(*m_inner_text_element));
m_text_node = realm().create<DOM::Text>(document(), move(initial_value));
if (type_state() == TypeAttributeState::FileUpload) {
// NOTE: file upload state is mutable, but we don't allow the text node to be modifed
m_text_node->set_always_editable(false);
} else {
handle_readonly_attribute(attribute(HTML::AttributeNames::readonly));
}
handle_readonly_attribute(attribute(HTML::AttributeNames::readonly));
if (type_state() == TypeAttributeState::Password)
m_text_node->set_is_password_input({}, true);
handle_maxlength_attribute();
@@ -907,7 +899,7 @@ void HTMLInputElement::create_text_input_shadow_tree()
auto up_callback_function = JS::NativeFunction::create(
realm(), [this](JS::VM&) {
if (m_is_mutable) {
if (is_mutable()) {
MUST(step_up());
user_interaction_did_change_input_value();
}
@@ -929,7 +921,7 @@ void HTMLInputElement::create_text_input_shadow_tree()
auto down_callback_function = JS::NativeFunction::create(
realm(), [this](JS::VM&) {
if (m_is_mutable) {
if (is_mutable()) {
MUST(step_down());
user_interaction_did_change_input_value();
}