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Support custom element callback reactions

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This commit is contained in:
Connor Brewster 2017-06-21 14:40:34 -06:00
parent 596ed557d2
commit 4665991503
19 changed files with 314 additions and 252 deletions
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15
components/script/dom/attr.rs
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@ -9,6 +9,7 @@ use dom::bindings::inheritance::Castable;
use dom::bindings::js::{LayoutJS, MutNullableJS, Root, RootedReference};
use dom::bindings::reflector::{Reflector, reflect_dom_object};
use dom::bindings::str::DOMString;
use dom::customelementregistry::CallbackReaction;
use dom::element::{AttributeMutation, Element};
use dom::mutationobserver::{Mutation, MutationObserver};
use dom::node::Node;
@ -16,6 +17,7 @@ use dom::virtualmethods::vtable_for;
use dom::window::Window;
use dom_struct::dom_struct;
use html5ever::{Prefix, LocalName, Namespace};
use script_thread::ScriptThread;
use servo_atoms::Atom;
use std::borrow::ToOwned;
use std::cell::Ref;
@ -175,9 +177,20 @@ impl Attr {
let name = self.local_name().clone();
let namespace = self.namespace().clone();
let old_value = DOMString::from(&**self.value());
let mutation = Mutation::Attribute { name, namespace, old_value };
let new_value = DOMString::from(&*value);
let mutation = Mutation::Attribute {
name: name.clone(),
namespace: namespace.clone(),
old_value: old_value.clone(),
};
MutationObserver::queue_a_mutation_record(owner.upcast::<Node>(), mutation);
if owner.get_custom_element_definition().is_some() {
let reaction = CallbackReaction::AttributeChanged(name, Some(old_value), Some(new_value), namespace);
ScriptThread::enqueue_callback_reaction(owner, reaction);
}
assert!(Some(owner) == self.owner().r());
owner.will_mutate_attr(self);
self.swap_value(&mut value);