diff options
Diffstat (limited to 'components/script/dom/customelementregistry.rs')
| -rw-r--r-- | components/script/dom/customelementregistry.rs | 37 |
1 files changed, 27 insertions, 10 deletions
diff --git a/components/script/dom/customelementregistry.rs b/components/script/dom/customelementregistry.rs index 5e570743325..a9e787068f1 100644 --- a/components/script/dom/customelementregistry.rs +++ b/components/script/dom/customelementregistry.rs @@ -664,25 +664,34 @@ pub(crate) enum ConstructionStackEntry { /// <https://html.spec.whatwg.org/multipage/#custom-element-definition> #[derive(Clone, JSTraceable, MallocSizeOf)] pub(crate) struct CustomElementDefinition { + /// <https://html.spec.whatwg.org/multipage/#concept-custom-element-definition-name> #[no_trace] pub(crate) name: LocalName, + /// <https://html.spec.whatwg.org/multipage/#concept-custom-element-definition-local-name> #[no_trace] pub(crate) local_name: LocalName, + /// <https://html.spec.whatwg.org/multipage/#concept-custom-element-definition-constructor> #[ignore_malloc_size_of = "Rc"] pub(crate) constructor: Rc<CustomElementConstructor>, + /// <https://html.spec.whatwg.org/multipage/#concept-custom-element-definition-observed-attributes> pub(crate) observed_attributes: Vec<DOMString>, + /// <https://html.spec.whatwg.org/multipage/#concept-custom-element-definition-lifecycle-callbacks> pub(crate) callbacks: LifecycleCallbacks, + /// <https://html.spec.whatwg.org/multipage/#concept-custom-element-definition-construction-stack> pub(crate) construction_stack: DomRefCell<Vec<ConstructionStackEntry>>, + /// <https://html.spec.whatwg.org/multipage/#concept-custom-element-definition-form-associated> pub(crate) form_associated: bool, + /// <https://html.spec.whatwg.org/multipage/#concept-custom-element-definition-disable-internals> pub(crate) disable_internals: bool, + /// <https://html.spec.whatwg.org/multipage/#concept-custom-element-definition-disable-shadow> pub(crate) disable_shadow: bool, } @@ -797,19 +806,21 @@ pub(crate) fn upgrade_element( element: &Element, can_gc: CanGc, ) { - // Step 1 + // Step 1. If element's custom element state is not "undefined" or "uncustomized", then return. let state = element.get_custom_element_state(); if state != CustomElementState::Undefined && state != CustomElementState::Uncustomized { return; } - // Step 2 + // Step 2. Set element's custom element definition to definition. element.set_custom_element_definition(Rc::clone(&definition)); - // Step 3 + // Step 3. Set element's custom element state to "failed". element.set_custom_element_state(CustomElementState::Failed); - // Step 4 + // Step 4. For each attribute in element's attribute list, in order, enqueue a custom element callback reaction + // with element, callback name "attributeChangedCallback", and « attribute's local name, null, attribute's value, + // attribute's namespace ». for attr in element.attrs().iter() { let local_name = attr.local_name().clone(); let value = DOMString::from(&**attr.value()); @@ -821,7 +832,8 @@ pub(crate) fn upgrade_element( ); } - // Step 5 + // Step 5. If element is connected, then enqueue a custom element callback reaction with element, + // callback name "connectedCallback", and « ». if element.is_connected() { ScriptThread::enqueue_callback_reaction( element, @@ -830,7 +842,7 @@ pub(crate) fn upgrade_element( ); } - // Step 6 + // Step 6. Add element to the end of definition's construction stack. definition .construction_stack .borrow_mut() @@ -976,7 +988,8 @@ fn run_upgrade_constructor( /// <https://html.spec.whatwg.org/multipage/#concept-try-upgrade> pub(crate) fn try_upgrade_element(element: &Element) { - // Step 1 + // Step 1. Let definition be the result of looking up a custom element definition given element's node document, + // element's namespace, element's local name, and element's is value. let document = element.owner_document(); let namespace = element.namespace(); let local_name = element.local_name(); @@ -984,7 +997,8 @@ pub(crate) fn try_upgrade_element(element: &Element) { if let Some(definition) = document.lookup_custom_element_definition(namespace, local_name, is.as_ref()) { - // Step 2 + // Step 2. If definition is not null, then enqueue a custom element upgrade reaction given + // element and definition. ScriptThread::enqueue_upgrade_reaction(element, definition); } } @@ -1242,9 +1256,11 @@ impl CustomElementReactionStack { element: &Element, definition: Rc<CustomElementDefinition>, ) { - // Step 1 + // Step 1. Add a new upgrade reaction to element's custom element reaction queue, + // with custom element definition definition. element.push_upgrade_reaction(definition); - // Step 2 + + // Step 2. Enqueue an element on the appropriate element queue given element. self.enqueue_element(element); } } @@ -1449,6 +1465,7 @@ fn is_extendable_element_interface(element: &str) -> bool { element == "script" || element == "section" || element == "select" || + element == "slot" || element == "small" || element == "source" || element == "span" || |