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LibWeb/DOM: Use as_if<T> in a bunch more places in DOM::Node

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Shannon Booth 2025-04-23 17:25:47 +12:00 • committed by Andrew Kaster
commit 6d622a6c04
Notes: github-actions[bot] 2025-04-26 14:46:37 +00:00
1 changed files with 30 additions and 46 deletions
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76
Libraries/LibWeb/DOM/Node.cpp
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@ -716,11 +716,9 @@ void Node::insert_before(GC::Ref<Node> node, GC::Ptr<Node> child, bool suppress_
// 4. If parent is a shadow host whose shadow root’s slot assignment is "named" and node is a slottable, then
// assign a slot for node.
if (is_element()) {
auto& element = static_cast<DOM::Element&>(*this);
auto is_named_shadow_host = element.is_shadow_host()
&& element.shadow_root()->slot_assignment() == Bindings::SlotAssignmentMode::Named;
if (auto* element = as_if<DOM::Element>(*this)) {
auto is_named_shadow_host = element->is_shadow_host()
&& element->shadow_root()->slot_assignment() == Bindings::SlotAssignmentMode::Named;
if (is_named_shadow_host && node_to_insert->is_slottable())
assign_a_slot(node_to_insert->as_slottable());
@ -728,11 +726,9 @@ void Node::insert_before(GC::Ref<Node> node, GC::Ptr<Node> child, bool suppress_
// 5. If parent’s root is a shadow root, and parent is a slot whose assigned nodes is the empty list, then run
// signal a slot change for parent.
if (root().is_shadow_root() && is<HTML::HTMLSlotElement>(*this)) {
auto& slot = static_cast<HTML::HTMLSlotElement&>(*this);
if (slot.assigned_nodes_internal().is_empty())
signal_a_slot_change(slot);
if (auto* this_slot_element = as_if<HTML::HTMLSlotElement>(*this); this_slot_element && root().is_shadow_root()) {
if (this_slot_element->assigned_nodes_internal().is_empty())
signal_a_slot_change(*this_slot_element);
}
// 6. Run assign slottables for a tree with node’s root.
@ -747,21 +743,19 @@ void Node::insert_before(GC::Ref<Node> node, GC::Ptr<Node> child, bool suppress_
// 2. If inclusiveDescendant is connected, then:
// NOTE: This is not specified here in the spec, but these steps can only be performed on an element.
if (inclusive_descendant.is_connected() && is<DOM::Element>(inclusive_descendant)) {
auto& element = static_cast<DOM::Element&>(inclusive_descendant);
if (auto* element = as_if<DOM::Element>(inclusive_descendant); element && inclusive_descendant.is_connected()) {
// 1. If inclusiveDescendant is custom, then enqueue a custom element callback reaction with inclusiveDescendant,
// callback name "connectedCallback", and an empty argument list.
if (element.is_custom()) {
if (element->is_custom()) {
GC::RootVector<JS::Value> empty_arguments { vm().heap() };
element.enqueue_a_custom_element_callback_reaction(HTML::CustomElementReactionNames::connectedCallback, move(empty_arguments));
element->enqueue_a_custom_element_callback_reaction(HTML::CustomElementReactionNames::connectedCallback, move(empty_arguments));
}
// 2. Otherwise, try to upgrade inclusiveDescendant.
// NOTE: If this successfully upgrades inclusiveDescendant, its connectedCallback will be enqueued automatically during
// the upgrade an element algorithm.
else {
element.try_to_upgrade();
element->try_to_upgrade();
}
}
@ -941,11 +935,9 @@ void Node::remove(bool suppress_observers)
// 9. If parent’s root is a shadow root, and parent is a slot whose assigned nodes is the empty list, then run
// signal a slot change for parent.
if (parent_root.is_shadow_root() && is<HTML::HTMLSlotElement>(parent)) {
auto& slot = static_cast<HTML::HTMLSlotElement&>(*parent);
if (slot.assigned_nodes_internal().is_empty())
signal_a_slot_change(slot);
if (auto* parent_slot_element = as_if<HTML::HTMLSlotElement>(parent); parent_slot_element && parent_root.is_shadow_root()) {
if (parent_slot_element->assigned_nodes_internal().is_empty())
signal_a_slot_change(*parent_slot_element);
}
// 10. If node has an inclusive descendant that is a slot, then:
@ -974,12 +966,10 @@ void Node::remove(bool suppress_observers)
// callback name "disconnectedCallback", and an empty argument list.
// Spec Note: It is intentional for now that custom elements do not get parent passed.
// This might change in the future if there is a need.
if (is<DOM::Element>(*this)) {
auto& element = static_cast<DOM::Element&>(*this);
if (element.is_custom() && is_parent_connected) {
if (auto* element = as_if<DOM::Element>(*this)) {
if (element->is_custom() && is_parent_connected) {
GC::RootVector<JS::Value> empty_arguments { vm().heap() };
element.enqueue_a_custom_element_callback_reaction(HTML::CustomElementReactionNames::disconnectedCallback, move(empty_arguments));
element->enqueue_a_custom_element_callback_reaction(HTML::CustomElementReactionNames::disconnectedCallback, move(empty_arguments));
}
}
@ -990,12 +980,10 @@ void Node::remove(bool suppress_observers)
// 2. If descendant is custom and isParentConnected is true, then enqueue a custom element callback reaction with descendant,
// callback name "disconnectedCallback", and an empty argument list.
if (is<DOM::Element>(descendant)) {
auto& element = static_cast<DOM::Element&>(descendant);
if (element.is_custom() && is_parent_connected) {
if (auto* element = as_if<DOM::Element>(descendant)) {
if (element->is_custom() && is_parent_connected) {
GC::RootVector<JS::Value> empty_arguments { vm().heap() };
element.enqueue_a_custom_element_callback_reaction(HTML::CustomElementReactionNames::disconnectedCallback, move(empty_arguments));
element->enqueue_a_custom_element_callback_reaction(HTML::CustomElementReactionNames::disconnectedCallback, move(empty_arguments));
}
}
@ -1248,10 +1236,9 @@ WebIDL::ExceptionOr<void> Node::move_node(Node& new_parent, Node* child)
// 15. If oldParent’s root is a shadow root, and oldParent is a slot whose assigned nodes is empty, then run signal a slot change for oldParent.
auto& old_parent_root = old_parent->root();
if (old_parent_root.is_shadow_root() && is<HTML::HTMLSlotElement>(*old_parent)) {
auto& old_parent_slot = static_cast<HTML::HTMLSlotElement&>(*old_parent);
if (old_parent_slot.assigned_nodes_internal().is_empty())
signal_a_slot_change(old_parent_slot);
if (auto* old_parent_slot_element = as_if<HTML::HTMLSlotElement>(*old_parent); old_parent_slot_element && old_parent_root.is_shadow_root()) {
if (old_parent_slot_element->assigned_nodes_internal().is_empty())
signal_a_slot_change(*old_parent_slot_element);
}
// 16. If node has an inclusive descendant that is a slot:
@ -1315,10 +1302,9 @@ WebIDL::ExceptionOr<void> Node::move_node(Node& new_parent, Node* child)
}
// 22. If newParent’s root is a shadow root, and newParent is a slot whose assigned nodes is empty, then run signal a slot change for newParent.
if (new_parent.root().is_shadow_root() && is<HTML::HTMLSlotElement>(new_parent)) {
auto& new_parent_slot = static_cast<HTML::HTMLSlotElement&>(new_parent);
if (new_parent_slot.assigned_nodes_internal().is_empty())
signal_a_slot_change(new_parent_slot);
if (auto* new_parent_slot_element = as_if<HTML::HTMLSlotElement>(new_parent); new_parent_slot_element && new_parent.root().is_shadow_root()) {
if (new_parent_slot_element->assigned_nodes_internal().is_empty())
signal_a_slot_change(*new_parent_slot_element);
}
// 23. Run assign slottables for a tree with node’s root.
@ -1338,12 +1324,10 @@ WebIDL::ExceptionOr<void> Node::move_node(Node& new_parent, Node* child)
// 2. If inclusiveDescendant is custom and newParent is connected, then enqueue a custom element callback reaction with inclusiveDescendant,
// callback name "connectedMoveCallback", and « ».
if (is<DOM::Element>(inclusive_descendant)) {
auto& element = static_cast<DOM::Element&>(inclusive_descendant);
if (element.is_custom() && new_parent.is_connected()) {
if (auto* element = as_if<DOM::Element>(inclusive_descendant)) {
if (element->is_custom() && new_parent.is_connected()) {
GC::RootVector<JS::Value> empty_arguments { vm().heap() };
element.enqueue_a_custom_element_callback_reaction(HTML::CustomElementReactionNames::connectedMoveCallback, move(empty_arguments));
element->enqueue_a_custom_element_callback_reaction(HTML::CustomElementReactionNames::connectedMoveCallback, move(empty_arguments));
}
}
return TraversalDecision::Continue;
@ -2969,9 +2953,9 @@ ErrorOr<String> Node::name_or_description(NameOrDescription target, Document con
// b. Otherwise, if the current node is a slot with assigned nodes, set the rendered child nodes to be the
// assigned nodes of the current node.
if (element->is_html_slot_element()) {
if (auto const* slot_element = as_if<HTML::HTMLSlotElement>(element)) {
total_accumulated_text.append(element->text_content().value());
child_nodes = static_cast<HTML::HTMLSlotElement const*>(element)->assigned_nodes();
child_nodes = slot_element->assigned_nodes();
}
// iv. Name From Each Child: For each rendered child node of the current node