Mirrors/servo
1
0
Fork 0
mirror of https://github.com/servo/servo.git synced 2025-08-06 14:10:11 +01:00
Code Issues Projects Releases Packages Wiki Activity

Support custom element callback reactions

Browse source
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
Download patch file Download diff file Expand all files Collapse all files

58
components/script/dom/element.rs
View file

@ -13,6 +13,7 @@ use dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
use dom::bindings::codegen::Bindings::ElementBinding;
use dom::bindings::codegen::Bindings::ElementBinding::ElementMethods;
use dom::bindings::codegen::Bindings::EventBinding::EventMethods;
use dom::bindings::codegen::Bindings::FunctionBinding::Function;
use dom::bindings::codegen::Bindings::HTMLTemplateElementBinding::HTMLTemplateElementMethods;
use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
use dom::bindings::codegen::Bindings::WindowBinding::{ScrollBehavior, ScrollToOptions};
@ -30,6 +31,7 @@ use dom::bindings::xmlname::{namespace_from_domstring, validate_and_extract, xml
use dom::bindings::xmlname::XMLName::InvalidXMLName;
use dom::characterdata::CharacterData;
use dom::create::create_element;
use dom::customelementregistry::{CallbackReaction, CustomElementDefinition, CustomElementReaction};
use dom::document::{Document, LayoutDocumentHelpers};
use dom::documentfragment::DocumentFragment;
use dom::domrect::DOMRect;
@ -80,11 +82,12 @@ use html5ever::serialize;
use html5ever::serialize::SerializeOpts;
use html5ever::serialize::TraversalScope;
use html5ever::serialize::TraversalScope::{ChildrenOnly, IncludeNode};
use js::jsapi::{HandleValue, JSAutoCompartment};
use js::jsapi::{HandleValue, Heap, JSAutoCompartment};
use js::jsval::JSVal;
use net_traits::request::CorsSettings;
use ref_filter_map::ref_filter_map;
use script_layout_interface::message::ReflowQueryType;
use script_thread::Runnable;
use script_thread::{Runnable, ScriptThread};
use selectors::attr::{AttrSelectorOperation, NamespaceConstraint, CaseSensitivity};
use selectors::matching::{ElementSelectorFlags, LocalMatchingContext, MatchingContext, MatchingMode};
use selectors::matching::{HAS_EDGE_CHILD_SELECTOR, HAS_SLOW_SELECTOR, HAS_SLOW_SELECTOR_LATER_SIBLINGS};
@ -141,6 +144,11 @@ pub struct Element {
/// when it has exclusive access to the element.
#[ignore_heap_size_of = "bitflags defined in rust-selectors"]
selector_flags: Cell<ElementSelectorFlags>,
/// https://html.spec.whatwg.org/multipage/#custom-element-reaction-queue
custom_element_reaction_queue: DOMRefCell<Vec<CustomElementReaction>>,
/// https://dom.spec.whatwg.org/#concept-element-custom-element-definition
#[ignore_heap_size_of = "Rc"]
custom_element_definition: DOMRefCell<Option<Rc<CustomElementDefinition>>>,
}
impl fmt::Debug for Element {
@ -244,6 +252,8 @@ impl Element {
class_list: Default::default(),
state: Cell::new(state),
selector_flags: Cell::new(ElementSelectorFlags::empty()),
custom_element_reaction_queue: Default::default(),
custom_element_definition: Default::default(),
}
}
@ -278,6 +288,26 @@ impl Element {
self.is.borrow().clone()
}
pub fn set_custom_element_definition(&self, definition: Rc<CustomElementDefinition>) {
*self.custom_element_definition.borrow_mut() = Some(definition);
}
pub fn get_custom_element_definition(&self) -> Option<Rc<CustomElementDefinition>> {
(*self.custom_element_definition.borrow()).clone()
}
pub fn push_callback_reaction(&self, function: Rc<Function>, args: Box<[Heap<JSVal>]>) {
self.custom_element_reaction_queue.borrow_mut().push(CustomElementReaction::Callback(function, args));
}
pub fn invoke_reactions(&self) {
let mut reaction_queue = self.custom_element_reaction_queue.borrow_mut();
for reaction in reaction_queue.iter() {
reaction.invoke(self);
}
reaction_queue.clear();
}
// https://drafts.csswg.org/cssom-view/#css-layout-box
// Elements that have a computed value of the display property
// that is table-column or table-column-group
@ -1036,10 +1066,20 @@ impl Element {
pub fn push_attribute(&self, attr: &Attr) {
let name = attr.local_name().clone();
let namespace = attr.namespace().clone();
let old_value = DOMString::from(&**attr.value());
let mutation = Mutation::Attribute { name, namespace, old_value };
let value = DOMString::from(&**attr.value());
let mutation = Mutation::Attribute {
name: name.clone(),
namespace: namespace.clone(),
old_value: value.clone(),
};
MutationObserver::queue_a_mutation_record(&self.node, mutation);
if self.get_custom_element_definition().is_some() {
let reaction = CallbackReaction::AttributeChanged(name, None, Some(value), namespace);
ScriptThread::enqueue_callback_reaction(self, reaction);
}
assert!(attr.GetOwnerElement().r() == Some(self));
self.will_mutate_attr(attr);
self.attrs.borrow_mut().push(JS::from_ref(attr));
@ -1171,9 +1211,17 @@ impl Element {
let name = attr.local_name().clone();
let namespace = attr.namespace().clone();
let old_value = DOMString::from(&**attr.value());
let mutation = Mutation::Attribute { name, namespace, old_value, };
let mutation = Mutation::Attribute {
name: name.clone(),
namespace: namespace.clone(),
old_value: old_value.clone(),
};
MutationObserver::queue_a_mutation_record(&self.node, mutation);
let reaction = CallbackReaction::AttributeChanged(name, Some(old_value), None, namespace);
ScriptThread::enqueue_callback_reaction(self, reaction);
self.attrs.borrow_mut().remove(idx);
attr.set_owner(None);
if attr.namespace() == &ns!() {