Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89 Commit: 93712b24bf Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256 Reviewed-by: https://github.com/sideshowbarker
2025-08-21 09:49:21 +00:00 · 2024-11-09 12:25:08 -05:00 · 2024-11-09 12:25:08 -05:00 · 93712b24bf · 2024-11-10 11:51:52 +00:00
commit 93712b24bf
parent 950e819ee7
4547 changed files with 104 additions and 113 deletions
--- a/Libraries/LibWeb/DOM/Attr.cpp
+++ b/Libraries/LibWeb/DOM/Attr.cpp
@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2021, Tim Flynn <trflynn89@serenityos.org>
+ * Copyright (c) 2023, Luke Wilde <lukew@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/Bindings/AttrPrototype.h>
+#include <LibWeb/Bindings/Intrinsics.h>
+#include <LibWeb/DOM/Attr.h>
+#include <LibWeb/DOM/Document.h>
+#include <LibWeb/DOM/Element.h>
+#include <LibWeb/DOM/MutationType.h>
+#include <LibWeb/DOM/StaticNodeList.h>
+#include <LibWeb/HTML/CustomElements/CustomElementReactionNames.h>
+
+namespace Web::DOM {
+
+JS_DEFINE_ALLOCATOR(Attr);
+
+JS::NonnullGCPtr<Attr> Attr::create(Document& document, FlyString local_name, String value, Element* owner_element)
+{
+    return document.heap().allocate<Attr>(document.realm(), document, QualifiedName(move(local_name), Optional<FlyString> {}, Optional<FlyString> {}), move(value), owner_element);
+}
+
+JS::NonnullGCPtr<Attr> Attr::create(Document& document, QualifiedName qualified_name, String value, Element* owner_element)
+{
+    return document.heap().allocate<Attr>(document.realm(), document, move(qualified_name), move(value), owner_element);
+}
+
+JS::NonnullGCPtr<Attr> Attr::clone(Document& document)
+{
+    return *heap().allocate<Attr>(realm(), document, m_qualified_name, m_value, nullptr);
+}
+
+Attr::Attr(Document& document, QualifiedName qualified_name, String value, Element* owner_element)
+    : Node(document, NodeType::ATTRIBUTE_NODE)
+    , m_qualified_name(move(qualified_name))
+    , m_lowercase_name(MUST(String(m_qualified_name.as_string()).to_lowercase()))
+    , m_value(move(value))
+    , m_owner_element(owner_element)
+{
+}
+
+void Attr::initialize(JS::Realm& realm)
+{
+    Base::initialize(realm);
+    WEB_SET_PROTOTYPE_FOR_INTERFACE(Attr);
+}
+
+void Attr::visit_edges(Cell::Visitor& visitor)
+{
+    Base::visit_edges(visitor);
+    visitor.visit(m_owner_element);
+}
+
+Element* Attr::owner_element()
+{
+    return m_owner_element.ptr();
+}
+
+Element const* Attr::owner_element() const
+{
+    return m_owner_element.ptr();
+}
+
+void Attr::set_owner_element(Element* owner_element)
+{
+    m_owner_element = owner_element;
+}
+
+// https://dom.spec.whatwg.org/#set-an-existing-attribute-value
+void Attr::set_value(String value)
+{
+    // 1. If attribute’s element is null, then set attribute’s value to value.
+    if (!owner_element()) {
+        m_value = move(value);
+    }
+    // 2. Otherwise, change attribute to value.
+    else {
+        change_attribute(move(value));
+    }
+}
+
+// https://dom.spec.whatwg.org/#concept-element-attributes-change
+void Attr::change_attribute(String value)
+{
+    // 1. Let oldValue be attribute’s value.
+    auto old_value = move(m_value);
+
+    // 2. Set attribute’s value to value.
+    m_value = move(value);
+
+    // 3. Handle attribute changes for attribute with attribute’s element, oldValue, and value.
+    handle_attribute_changes(*owner_element(), old_value, m_value);
+}
+
+// https://dom.spec.whatwg.org/#handle-attribute-changes
+void Attr::handle_attribute_changes(Element& element, Optional<String> const& old_value, Optional<String> const& new_value)
+{
+    // 1. Queue a mutation record of "attributes" for element with attribute’s local name, attribute’s namespace, oldValue, « », « », null, and null.
+    element.queue_mutation_record(MutationType::attributes, local_name(), namespace_uri(), old_value, {}, {}, nullptr, nullptr);
+
+    // 2. If element is custom, then enqueue a custom element callback reaction with element, callback name "attributeChangedCallback", and an argument list containing attribute’s local name, oldValue, newValue, and attribute’s namespace.
+    if (element.is_custom()) {
+        auto& vm = this->vm();
+
+        JS::MarkedVector<JS::Value> arguments { vm.heap() };
+        arguments.append(JS::PrimitiveString::create(vm, local_name()));
+        arguments.append(!old_value.has_value() ? JS::js_null() : JS::PrimitiveString::create(vm, old_value.value()));
+        arguments.append(!new_value.has_value() ? JS::js_null() : JS::PrimitiveString::create(vm, new_value.value()));
+        arguments.append(!namespace_uri().has_value() ? JS::js_null() : JS::PrimitiveString::create(vm, namespace_uri().value()));
+
+        element.enqueue_a_custom_element_callback_reaction(HTML::CustomElementReactionNames::attributeChangedCallback, move(arguments));
+    }
+
+    // 3. Run the attribute change steps with element, attribute’s local name, oldValue, newValue, and attribute’s namespace.
+    element.run_attribute_change_steps(local_name(), old_value, new_value, namespace_uri());
+}
+
+}