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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
commit 1c55153d43
Notes: github-actions[bot] 2024-12-10 13:55:36 +00:00
22 changed files with 85 additions and 102 deletions
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4
Libraries/LibWeb/HTML/FormAssociatedElement.cpp
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@ -588,7 +588,7 @@ void FormAssociatedTextControlElement::set_the_selection_range(Optional<WebIDL::
void FormAssociatedTextControlElement::handle_insert(String const& data)
{
auto text_node = form_associated_element_to_text_node();
if (!text_node || !text_node->is_editable())
if (!text_node || !is_mutable())
return;
String data_for_insertion = data;
@ -613,7 +613,7 @@ void FormAssociatedTextControlElement::handle_insert(String const& data)
void FormAssociatedTextControlElement::handle_delete(DeleteDirection direction)
{
auto text_node = form_associated_element_to_text_node();
if (!text_node || !text_node->is_editable())
if (!text_node || !is_mutable())
return;
auto selection_start = this->selection_start();
auto selection_end = this->selection_end();