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LibWeb: Port Element::attribute_changed from DeprecatedString to String

Browse source 
Which as you would expect has a bunch of fallout, but also results in a
whole lot of awkward conversions falling away.
This commit is contained in:
Shannon Booth 2023-11-19 18:10:36 +13:00 • committed by Sam Atkins
parent 6a2a7cad61
commit eca9874e56
77 changed files with 178 additions and 193 deletions
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14
Userland/Libraries/LibWeb/DOM/Attr.cpp
View file

@ -88,18 +88,14 @@ void Attr::change_attribute(String 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.to_deprecated_string(), m_value.to_deprecated_string());
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<DeprecatedString> old_value, Optional<DeprecatedString> new_value)
void Attr::handle_attribute_changes(Element& element, Optional<String> const& old_value, Optional<String> const& new_value)
{
DeprecatedString deprecated_namespace_uri;
if (namespace_uri().has_value())
deprecated_namespace_uri = namespace_uri().value().to_deprecated_fly_string();
// 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().to_deprecated_fly_string(), deprecated_namespace_uri, old_value, {}, {}, nullptr, nullptr);
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()) {
@ -107,8 +103,8 @@ void Attr::handle_attribute_changes(Element& element, Optional<DeprecatedString>
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.release_value()));
arguments.append(!new_value.has_value() ? JS::js_null() : JS::PrimitiveString::create(vm, new_value.release_value()));
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));

2
Userland/Libraries/LibWeb/DOM/Attr.h
View file

@ -41,7 +41,7 @@ public:
// Always returns true: https://dom.spec.whatwg.org/#dom-attr-specified
constexpr bool specified() const { return true; }
void handle_attribute_changes(Element&, Optional<DeprecatedString> old_value, Optional<DeprecatedString> new_value);
void handle_attribute_changes(Element&, Optional<String> const& old_value, Optional<String> const& new_value);
private:
Attr(Document&, QualifiedName, String value, Element*);

2
Userland/Libraries/LibWeb/DOM/CharacterData.cpp
View file

@ -74,7 +74,7 @@ WebIDL::ExceptionOr<void> CharacterData::replace_data(size_t offset, size_t coun
count = length - offset;
// 4. Queue a mutation record of "characterData" for node with null, null, node’s data, « », « », null, and null.
queue_mutation_record(MutationType::characterData, {}, {}, m_data.to_deprecated_string(), {}, {}, nullptr, nullptr);
queue_mutation_record(MutationType::characterData, {}, {}, m_data, {}, {}, nullptr, nullptr);
// 5. Insert data into node’s data after offset code units.
// 6. Let delete offset be offset + data’s length.

16
Userland/Libraries/LibWeb/DOM/Element.cpp
View file

@ -81,11 +81,11 @@ Element::Element(Document& document, DOM::QualifiedName qualified_name)
return;
// 2. If value is null and oldValue is the empty string, then return.
if (!value.has_value() && old_value == DeprecatedString::empty())
if (!value.has_value() && old_value == String {})
return;
// 3. If value is the empty string and oldValue is null, then return.
if (value == DeprecatedString::empty() && !old_value.has_value())
if (value == String {} && !old_value.has_value())
return;
// 4. If value is null or the empty string, then set element’s name to the empty string.
@ -93,7 +93,7 @@ Element::Element(Document& document, DOM::QualifiedName qualified_name)
set_slottable_name({});
// 5. Otherwise, set element’s name to value.
else
set_slottable_name(MUST(String::from_deprecated_string(*value)));
set_slottable_name(*value);
// 6. If element is assigned, then run assign slottables for element’s assigned slot.
if (auto assigned_slot = assigned_slot_internal())
@ -466,7 +466,7 @@ void Element::add_attribute_change_steps(AttributeChangeSteps steps)
m_attribute_change_steps.append(move(steps));
}
void Element::run_attribute_change_steps(FlyString const& local_name, Optional<DeprecatedString> const& old_value, Optional<DeprecatedString> const& value, Optional<FlyString> const& namespace_)
void Element::run_attribute_change_steps(FlyString const& local_name, Optional<String> const& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_)
{
for (auto const& attribute_change_steps : m_attribute_change_steps)
attribute_change_steps(local_name, old_value, value, namespace_);
@ -476,17 +476,17 @@ void Element::run_attribute_change_steps(FlyString const& local_name, Optional<D
invalidate_style_after_attribute_change(local_name);
}
void Element::attribute_changed(FlyString const& name, Optional<DeprecatedString> const& value)
void Element::attribute_changed(FlyString const& name, Optional<String> const& value)
{
auto value_or_empty = value.value_or("");
auto value_or_empty = value.value_or(String {});
if (name == HTML::AttributeNames::id) {
if (!value.has_value())
m_id = {};
else
m_id = MUST(FlyString::from_deprecated_fly_string(value_or_empty));
m_id = value_or_empty;
} else if (name == HTML::AttributeNames::class_) {
auto new_classes = value_or_empty.split_view(Infra::is_ascii_whitespace);
auto new_classes = value_or_empty.bytes_as_string_view().split_view_if(Infra::is_ascii_whitespace);
m_classes.clear();
m_classes.ensure_capacity(new_classes.size());
for (auto& new_class : new_classes) {

6
Userland/Libraries/LibWeb/DOM/Element.h
View file

@ -147,11 +147,11 @@ public:
virtual void apply_presentational_hints(CSS::StyleProperties&) const { }
// https://dom.spec.whatwg.org/#concept-element-attributes-change-ext
using AttributeChangeSteps = Function<void(FlyString const& local_name, Optional<DeprecatedString> const& old_value, Optional<DeprecatedString> const& value, Optional<FlyString> const& namespace_)>;
using AttributeChangeSteps = Function<void(FlyString const& local_name, Optional<String> const& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_)>;
void add_attribute_change_steps(AttributeChangeSteps steps);
void run_attribute_change_steps(FlyString const& local_name, Optional<DeprecatedString> const& old_value, Optional<DeprecatedString> const& value, Optional<FlyString> const& namespace_);
virtual void attribute_changed(FlyString const& name, Optional<DeprecatedString> const& value);
void run_attribute_change_steps(FlyString const& local_name, Optional<String> const& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_);
virtual void attribute_changed(FlyString const& name, Optional<String> const& value);
struct [[nodiscard]] RequiredInvalidationAfterStyleChange {
bool repaint { false };

6
Userland/Libraries/LibWeb/DOM/NamedNodeMap.cpp
View file

@ -269,7 +269,7 @@ void NamedNodeMap::replace_attribute(Attr& old_attribute, Attr& new_attribute, s
old_attribute.set_owner_element(nullptr);
// 4. Handle attribute changes for oldAttr with newAttr’s element, oldAttr’s value, and newAttr’s value.
old_attribute.handle_attribute_changes(*new_attribute.owner_element(), old_attribute.value().to_deprecated_string(), new_attribute.value().to_deprecated_string());
old_attribute.handle_attribute_changes(*new_attribute.owner_element(), old_attribute.value(), new_attribute.value());
}
// https://dom.spec.whatwg.org/#concept-element-attributes-append
@ -282,7 +282,7 @@ void NamedNodeMap::append_attribute(Attr& attribute)
attribute.set_owner_element(&associated_element());
// 3. Handle attribute changes for attribute with element, null, and attribute’s value.
attribute.handle_attribute_changes(associated_element(), {}, attribute.value().to_deprecated_string());
attribute.handle_attribute_changes(associated_element(), {}, attribute.value());
}
// https://dom.spec.whatwg.org/#concept-element-attributes-remove
@ -301,7 +301,7 @@ void NamedNodeMap::remove_attribute_at_index(size_t attribute_index)
attribute->set_owner_element(nullptr);
// 4. Handle attribute changes for attribute with element, attribute’s value, and null.
attribute->handle_attribute_changes(*element, attribute->value().to_deprecated_string(), {});
attribute->handle_attribute_changes(*element, attribute->value(), {});
}
// https://dom.spec.whatwg.org/#concept-element-attributes-remove-by-name

20
Userland/Libraries/LibWeb/DOM/Node.cpp
View file

@ -1533,7 +1533,7 @@ Painting::PaintableBox* Node::paintable_box()
}
// https://dom.spec.whatwg.org/#queue-a-mutation-record
void Node::queue_mutation_record(FlyString const& type, Optional<DeprecatedString> attribute_name, Optional<DeprecatedString> attribute_namespace, Optional<DeprecatedString> old_value, Vector<JS::Handle<Node>> added_nodes, Vector<JS::Handle<Node>> removed_nodes, Node* previous_sibling, Node* next_sibling) const
void Node::queue_mutation_record(FlyString const& type, Optional<FlyString> const& attribute_name, Optional<FlyString> const& attribute_namespace, Optional<String> const& old_value, Vector<JS::Handle<Node>> added_nodes, Vector<JS::Handle<Node>> removed_nodes, Node* previous_sibling, Node* next_sibling) const
{
// NOTE: We defer garbage collection until the end of the scope, since we can't safely use MutationObserver* as a hashmap key otherwise.
// FIXME: This is a total hack.
@ -1541,7 +1541,7 @@ void Node::queue_mutation_record(FlyString const& type, Optional<DeprecatedStrin
// 1. Let interestedObservers be an empty map.
// mutationObserver -> mappedOldValue
OrderedHashMap<MutationObserver*, Optional<DeprecatedString>> interested_observers;
OrderedHashMap<MutationObserver*, Optional<String>> interested_observers;
// 2. Let nodes be the inclusive ancestors of target.
// 3. For each node in nodes, and then for each registered of node’s registered observer list:
@ -1559,7 +1559,7 @@ void Node::queue_mutation_record(FlyString const& type, Optional<DeprecatedStrin
// then:
if (!(node != this && !options.subtree)
&& !(type == MutationType::attributes && (!options.attributes.has_value() || !options.attributes.value()))
&& !(type == MutationType::attributes && options.attribute_filter.has_value() && (attribute_namespace.has_value() || !options.attribute_filter->contains_slow(attribute_name.value_or("").view())))
&& !(type == MutationType::attributes && options.attribute_filter.has_value() && (attribute_namespace.has_value() || !options.attribute_filter->contains_slow(attribute_name.value_or(String {}))))
&& !(type == MutationType::characterData && (!options.character_data.has_value() || !options.character_data.value()))
&& !(type == MutationType::childList && !options.child_list)) {
// 1. Let mo be registered’s observer.
@ -1585,13 +1585,17 @@ void Node::queue_mutation_record(FlyString const& type, Optional<DeprecatedStrin
// 4. For each observer → mappedOldValue of interestedObservers:
for (auto& interested_observer : interested_observers) {
// FIXME: The MutationRecord constructor shuld take an Optional<FlyString> attribute name and namespace
Optional<String> string_attribute_name;
if (attribute_name.has_value())
string_attribute_name = attribute_name->to_string();
Optional<String> string_attribute_namespace;
if (attribute_namespace.has_value())
string_attribute_name = attribute_namespace->to_string();
// 1. Let record be a new MutationRecord object with its type set to type, target set to target, attributeName set to name, attributeNamespace set to namespace, oldValue set to mappedOldValue,
// addedNodes set to addedNodes, removedNodes set to removedNodes, previousSibling set to previousSibling, and nextSibling set to nextSibling.
auto maybe_attribute_name = attribute_name.map([](auto& name) { return MUST(String::from_deprecated_string(name)); });
auto maybe_attribute_namespace = attribute_namespace.map([](auto& ns) { return MUST(String::from_deprecated_string(ns)); });
auto maybe_interested_observer = interested_observer.value.map([](auto& value) { return MUST(String::from_deprecated_string(value)); });
auto record = MutationRecord::create(realm(), type, *this, added_nodes_list, removed_nodes_list, previous_sibling, next_sibling, maybe_attribute_name, maybe_attribute_namespace, /* mappedOldValue */ maybe_interested_observer);
auto record = MutationRecord::create(realm(), type, *this, added_nodes_list, removed_nodes_list, previous_sibling, next_sibling, string_attribute_name, string_attribute_namespace, /* mappedOldValue */ interested_observer.value);
// 2. Enqueue record to observer’s record queue.
interested_observer.key->enqueue_record({}, move(record));

2
Userland/Libraries/LibWeb/DOM/Node.h
View file

@ -259,7 +259,7 @@ public:
void add_registered_observer(RegisteredObserver& registered_observer) { m_registered_observer_list.append(registered_observer); }
void queue_mutation_record(FlyString const& type, Optional<DeprecatedString> attribute_name, Optional<DeprecatedString> attribute_namespace, Optional<DeprecatedString> old_value, Vector<JS::Handle<Node>> added_nodes, Vector<JS::Handle<Node>> removed_nodes, Node* previous_sibling, Node* next_sibling) const;
void queue_mutation_record(FlyString const& type, Optional<FlyString> const& attribute_name, Optional<FlyString> const& attribute_namespace, Optional<String> const& old_value, Vector<JS::Handle<Node>> added_nodes, Vector<JS::Handle<Node>> removed_nodes, Node* previous_sibling, Node* next_sibling) const;
// https://dom.spec.whatwg.org/#concept-shadow-including-inclusive-descendant
template<typename Callback>