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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use dom::bindings::codegen::Bindings::MutationRecordBinding::MutationRecordBinding;
use dom::bindings::codegen::Bindings::MutationRecordBinding::MutationRecordBinding::MutationRecordMethods;
use dom::bindings::reflector::{Reflector, reflect_dom_object};
use dom::bindings::root::{Dom, DomRoot, MutNullableDom};
use dom::bindings::str::DOMString;
use dom::node::{Node, window_from_node};
use dom::nodelist::NodeList;
use dom_struct::dom_struct;
use html5ever::{LocalName, Namespace};
#[dom_struct]
pub struct MutationRecord {
reflector_: Reflector,
record_type: DOMString,
target: Dom<Node>,
attribute_name: Option<DOMString>,
attribute_namespace: Option<DOMString>,
old_value: Option<DOMString>,
added_nodes: MutNullableDom<NodeList>,
removed_nodes: MutNullableDom<NodeList>,
next_sibling: Option<Dom<Node>>,
prev_sibling: Option<Dom<Node>>,
}
impl MutationRecord {
#[allow(unrooted_must_root)]
pub fn attribute_mutated(target: &Node,
attribute_name: &LocalName,
attribute_namespace: Option<&Namespace>,
old_value: Option<DOMString>) -> DomRoot<MutationRecord> {
let record = Box::new(MutationRecord::new_inherited(
"attributes",
target,
Some(DOMString::from(&**attribute_name)),
attribute_namespace.map(|n| DOMString::from(&**n)),
old_value,
None, None, None, None
));
reflect_dom_object(record, &*window_from_node(target), MutationRecordBinding::Wrap)
}
pub fn child_list_mutated(target: &Node,
added_nodes: Option<&[&Node]>,
removed_nodes: Option<&[&Node]>,
next_sibling: Option<&Node>,
prev_sibling: Option<&Node>) -> DomRoot<MutationRecord> {
let window = window_from_node(target);
let added_nodes = added_nodes.map(|list| NodeList::new_simple_list_slice(&window, list));
let removed_nodes = removed_nodes.map(|list| NodeList::new_simple_list_slice(&window, list));
reflect_dom_object(
Box::new(MutationRecord::new_inherited(
"childList",
target,
None, None, None,
added_nodes.as_ref().map(|list| &**list),
removed_nodes.as_ref().map(|list| &**list),
next_sibling,
prev_sibling
)),
&*window,
MutationRecordBinding::Wrap
)
}
fn new_inherited(record_type: &str,
target: &Node,
attribute_name: Option<DOMString>,
attribute_namespace: Option<DOMString>,
old_value: Option<DOMString>,
added_nodes: Option<&NodeList>,
removed_nodes: Option<&NodeList>,
next_sibling: Option<&Node>,
prev_sibling: Option<&Node>) -> MutationRecord {
MutationRecord {
reflector_: Reflector::new(),
record_type: DOMString::from(record_type),
target: Dom::from_ref(target),
attribute_name: attribute_name,
attribute_namespace: attribute_namespace,
old_value: old_value,
added_nodes: MutNullableDom::new(added_nodes),
removed_nodes: MutNullableDom::new(removed_nodes),
next_sibling: next_sibling.map(Dom::from_ref),
prev_sibling: prev_sibling.map(Dom::from_ref),
}
}
}
impl MutationRecordMethods for MutationRecord {
// https://dom.spec.whatwg.org/#dom-mutationrecord-type
fn Type(&self) -> DOMString {
self.record_type.clone()
}
// https://dom.spec.whatwg.org/#dom-mutationrecord-target
fn Target(&self) -> DomRoot<Node> {
DomRoot::from_ref(&*self.target)
}
// https://dom.spec.whatwg.org/#dom-mutationrecord-attributename
fn GetAttributeName(&self) -> Option<DOMString> {
self.attribute_name.clone()
}
// https://dom.spec.whatwg.org/#dom-mutationrecord-attributenamespace
fn GetAttributeNamespace(&self) -> Option<DOMString> {
self.attribute_namespace.clone()
}
// https://dom.spec.whatwg.org/#dom-mutationrecord-oldvalue
fn GetOldValue(&self) -> Option<DOMString> {
self.old_value.clone()
}
// https://dom.spec.whatwg.org/#dom-mutationrecord-addednodes
fn AddedNodes(&self) -> DomRoot<NodeList> {
self.added_nodes.or_init(|| {
let window = window_from_node(&*self.target);
NodeList::empty(&window)
})
}
// https://dom.spec.whatwg.org/#dom-mutationrecord-removednodes
fn RemovedNodes(&self) -> DomRoot<NodeList> {
self.removed_nodes.or_init(|| {
let window = window_from_node(&*self.target);
NodeList::empty(&window)
})
}
// https://dom.spec.whatwg.org/#dom-mutationrecord-previoussibling
fn GetPreviousSibling(&self) -> Option<DomRoot<Node>> {
self.prev_sibling.as_ref().map(|node| DomRoot::from_ref(&**node))
}
// https://dom.spec.whatwg.org/#dom-mutationrecord-previoussibling
fn GetNextSibling(&self) -> Option<DomRoot<Node>> {
self.next_sibling.as_ref().map(|node| DomRoot::from_ref(&**node))
}
}
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