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LibWeb/DOM: Rename ElementReference to AbstractElement

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This isn't some kind of identifier, it's a handle on an actual Element
or PseudoElement.
This commit is contained in:
Sam Atkins 2025-06-18 10:19:56 +01:00
parent e7c2f0dd52
commit ce380a59c7
Notes: github-actions[bot] 2025-06-19 11:37:42 +00:00
10 changed files with 73 additions and 23 deletions
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1
Libraries/LibWeb/CMakeLists.txt
View file

@ -211,6 +211,7 @@ set(SOURCES
CSS/VisualViewport.cpp
DOM/AbortController.cpp
DOM/AbortSignal.cpp
DOM/AbstractElement.cpp
DOM/AbstractRange.cpp
DOM/AccessibilityTreeNode.cpp
DOM/AdoptedStyleSheets.cpp

8
Libraries/LibWeb/CSS/CSSStyleDeclaration.h
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@ -11,7 +11,7 @@
#include <LibWeb/Bindings/PlatformObject.h>
#include <LibWeb/CSS/CSSStyleValue.h>
#include <LibWeb/CSS/StyleProperty.h>
#include <LibWeb/DOM/ElementReference.h>
#include <LibWeb/DOM/AbstractElement.h>
namespace Web::CSS {
@ -50,8 +50,8 @@ public:
void set_parent_rule(GC::Ptr<CSSRule> parent) { m_parent_rule = parent; }
// https://drafts.csswg.org/cssom/#cssstyledeclaration-owner-node
Optional<DOM::ElementReference> owner_node() const { return m_owner_node; }
void set_owner_node(Optional<DOM::ElementReference> owner_node) { m_owner_node = move(owner_node); }
Optional<DOM::AbstractElement> owner_node() const { return m_owner_node; }
void set_owner_node(Optional<DOM::AbstractElement> owner_node) { m_owner_node = move(owner_node); }
// https://drafts.csswg.org/cssom/#cssstyledeclaration-updating-flag
[[nodiscard]] bool is_updating() const { return m_updating; }
@ -80,7 +80,7 @@ private:
GC::Ptr<CSSRule> m_parent_rule { nullptr };
// https://drafts.csswg.org/cssom/#cssstyledeclaration-owner-node
Optional<DOM::ElementReference> m_owner_node {};
Optional<DOM::AbstractElement> m_owner_node {};
// https://drafts.csswg.org/cssom/#cssstyledeclaration-computed-flag
bool m_computed { false };

6
Libraries/LibWeb/CSS/CSSStyleProperties.cpp
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@ -44,7 +44,7 @@ GC::Ref<CSSStyleProperties> CSSStyleProperties::create(JS::Realm& realm, Vector<
return realm.create<CSSStyleProperties>(realm, Computed::No, Readonly::No, convert_declarations_to_specified_order(properties), move(custom_properties), OptionalNone {});
}
GC::Ref<CSSStyleProperties> CSSStyleProperties::create_resolved_style(JS::Realm& realm, Optional<DOM::ElementReference> element_reference)
GC::Ref<CSSStyleProperties> CSSStyleProperties::create_resolved_style(JS::Realm& realm, Optional<DOM::AbstractElement> element_reference)
{
// https://drafts.csswg.org/cssom/#dom-window-getcomputedstyle
// 6. Return a live CSSStyleProperties object with the following properties:
@ -57,7 +57,7 @@ GC::Ref<CSSStyleProperties> CSSStyleProperties::create_resolved_style(JS::Realm&
return realm.create<CSSStyleProperties>(realm, Computed::Yes, Readonly::Yes, Vector<StyleProperty> {}, HashMap<FlyString, StyleProperty> {}, move(element_reference));
}
GC::Ref<CSSStyleProperties> CSSStyleProperties::create_element_inline_style(DOM::ElementReference element_reference, Vector<StyleProperty> properties, HashMap<FlyString, StyleProperty> custom_properties)
GC::Ref<CSSStyleProperties> CSSStyleProperties::create_element_inline_style(DOM::AbstractElement element_reference, Vector<StyleProperty> properties, HashMap<FlyString, StyleProperty> custom_properties)
{
// https://drafts.csswg.org/cssom/#dom-elementcssinlinestyle-style
// The style attribute must return a CSS declaration block object whose readonly flag is unset, whose parent CSS
@ -66,7 +66,7 @@ GC::Ref<CSSStyleProperties> CSSStyleProperties::create_element_inline_style(DOM:
return realm.create<CSSStyleProperties>(realm, Computed::No, Readonly::No, convert_declarations_to_specified_order(properties), move(custom_properties), move(element_reference));
}
CSSStyleProperties::CSSStyleProperties(JS::Realm& realm, Computed computed, Readonly readonly, Vector<StyleProperty> properties, HashMap<FlyString, StyleProperty> custom_properties, Optional<DOM::ElementReference> owner_node)
CSSStyleProperties::CSSStyleProperties(JS::Realm& realm, Computed computed, Readonly readonly, Vector<StyleProperty> properties, HashMap<FlyString, StyleProperty> custom_properties, Optional<DOM::AbstractElement> owner_node)
: CSSStyleDeclaration(realm, computed, readonly)
, m_properties(move(properties))
, m_custom_properties(move(custom_properties))

6
Libraries/LibWeb/CSS/CSSStyleProperties.h
View file

@ -22,8 +22,8 @@ class CSSStyleProperties
public:
[[nodiscard]] static GC::Ref<CSSStyleProperties> create(JS::Realm&, Vector<StyleProperty>, HashMap<FlyString, StyleProperty> custom_properties);
[[nodiscard]] static GC::Ref<CSSStyleProperties> create_resolved_style(JS::Realm&, Optional<DOM::ElementReference>);
[[nodiscard]] static GC::Ref<CSSStyleProperties> create_element_inline_style(DOM::ElementReference, Vector<StyleProperty>, HashMap<FlyString, StyleProperty> custom_properties);
[[nodiscard]] static GC::Ref<CSSStyleProperties> create_resolved_style(JS::Realm&, Optional<DOM::AbstractElement>);
[[nodiscard]] static GC::Ref<CSSStyleProperties> create_element_inline_style(DOM::AbstractElement, Vector<StyleProperty>, HashMap<FlyString, StyleProperty> custom_properties);
virtual ~CSSStyleProperties() override = default;
virtual void initialize(JS::Realm&) override;
@ -62,7 +62,7 @@ public:
virtual CSSStyleProperties& generated_style_properties_to_css_style_properties() override { return *this; }
private:
CSSStyleProperties(JS::Realm&, Computed, Readonly, Vector<StyleProperty> properties, HashMap<FlyString, StyleProperty> custom_properties, Optional<DOM::ElementReference>);
CSSStyleProperties(JS::Realm&, Computed, Readonly, Vector<StyleProperty> properties, HashMap<FlyString, StyleProperty> custom_properties, Optional<DOM::AbstractElement>);
static Vector<StyleProperty> convert_declarations_to_specified_order(Vector<StyleProperty>&);
virtual void visit_edges(Cell::Visitor&) override;

48
Libraries/LibWeb/DOM/AbstractElement.cpp Normal file
View file

@ -0,0 +1,48 @@
/*
* Copyright (c) 2024-2025, Sam Atkins <sam@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/DOM/AbstractElement.h>
namespace Web::DOM {
AbstractElement::AbstractElement(GC::Ref<Element> element, Optional<CSS::PseudoElement> pseudo_element)
: m_element(element)
, m_pseudo_element(move(pseudo_element))
{
}
void AbstractElement::visit(GC::Cell::Visitor& visitor) const
{
visitor.visit(m_element);
}
GC::Ptr<Element const> AbstractElement::parent_element() const
{
if (m_pseudo_element.has_value())
return m_element;
return m_element->parent_element();
}
GC::Ptr<CSS::ComputedProperties const> AbstractElement::computed_properties() const
{
if (m_pseudo_element.has_value())
return m_element->pseudo_element_computed_properties(*m_pseudo_element);
return m_element->computed_properties();
}
CSS::CountersSet& AbstractElement::ensure_counters_set()
{
// FIXME: Handle pseudo-elements
return m_element->ensure_counters_set();
}
void AbstractElement::set_counters_set(OwnPtr<CSS::CountersSet>&& counters_set)
{
// FIXME: Handle pseudo-elements
m_element->set_counters_set(move(counters_set));
}
}

20
Libraries/LibWeb/DOM/ElementReference.h → Libraries/LibWeb/DOM/AbstractElement.h
View file

@ -12,22 +12,22 @@
namespace Web::DOM {
class ElementReference {
// Either an Element or a PseudoElement
class AbstractElement {
public:
ElementReference(GC::Ref<Element> element, Optional<CSS::PseudoElement> pseudo_element = {})
: m_element(element)
, m_pseudo_element(move(pseudo_element))
{
}
AbstractElement(GC::Ref<Element>, Optional<CSS::PseudoElement> = {});
Element& element() { return m_element; }
Element const& element() const { return m_element; }
Optional<CSS::PseudoElement> pseudo_element() const { return m_pseudo_element; }
void visit(GC::Cell::Visitor& visitor) const
{
visitor.visit(m_element);
}
GC::Ptr<Element const> parent_element() const;
GC::Ptr<CSS::ComputedProperties const> computed_properties() const;
CSS::CountersSet& ensure_counters_set();
void set_counters_set(OwnPtr<CSS::CountersSet>&&);
void visit(GC::Cell::Visitor& visitor) const;
private:
GC::Ref<Element> m_element;

2
Libraries/LibWeb/DOM/Element.cpp
View file

@ -832,7 +832,7 @@ CSS::RequiredInvalidationAfterStyleChange Element::recompute_inherited_style()
GC::Ref<CSS::ComputedProperties> Element::resolved_css_values(Optional<CSS::PseudoElement> type)
{
auto element_computed_style = CSS::CSSStyleProperties::create_resolved_style(realm(), ElementReference { *this, type });
auto element_computed_style = CSS::CSSStyleProperties::create_resolved_style(realm(), AbstractElement { *this, type });
auto properties = heap().allocate<CSS::ComputedProperties>();
for (auto i = to_underlying(CSS::first_property_id); i <= to_underlying(CSS::last_property_id); ++i) {

2
Libraries/LibWeb/Editing/Internal/Algorithms.cpp
View file

@ -4741,7 +4741,7 @@ Optional<NonnullRefPtr<CSS::CSSStyleValue const>> resolved_value(GC::Ref<DOM::No
return {};
// Retrieve resolved style value
auto resolved_css_style_declaration = CSS::CSSStyleProperties::create_resolved_style(element->realm(), DOM::ElementReference { static_cast<DOM::Element&>(*element) });
auto resolved_css_style_declaration = CSS::CSSStyleProperties::create_resolved_style(element->realm(), DOM::AbstractElement { static_cast<DOM::Element&>(*element) });
auto optional_style_property = resolved_css_style_declaration->property(property_id);
if (!optional_style_property.has_value())
return {};

1
Libraries/LibWeb/Forward.h
View file

@ -339,6 +339,7 @@ namespace Web::DOM {
class AbortController;
class AbortSignal;
class AbstractElement;
class AbstractRange;
class AccessibilityTreeNode;
class Attr;

2
Libraries/LibWeb/HTML/Window.cpp
View file

@ -1278,7 +1278,7 @@ GC::Ref<CSS::CSSStyleDeclaration> Window::get_computed_style(DOM::Element& eleme
// 1. Let doc be elt’s node document.
// 2. Let obj be elt.
Optional<DOM::ElementReference> object { element };
Optional<DOM::AbstractElement> object { element };
// 3. If pseudoElt is provided, is not the empty string, and starts with a colon, then:
if (pseudo_element.has_value() && pseudo_element.value().starts_with(':')) {