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MutationObserver api: Implement takeRecords() and characterData mutations

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This commit is contained in:
Fabrice Desré 2018-04-24 20:39:28 -07:00
parent c5f7c9ccf3
commit 75434e6fce
9 changed files with 98 additions and 112 deletions
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59
components/script/dom/mutationrecord.rs
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@ -28,10 +28,12 @@ pub struct MutationRecord {
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> {
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,
@ -43,11 +45,30 @@ impl MutationRecord {
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> {
pub fn character_data_mutated(
target: &Node,
old_value: Option<DOMString>,
) -> DomRoot<MutationRecord> {
reflect_dom_object(
Box::new(MutationRecord::new_inherited(
"characterData",
target,
None, None,
old_value,
None, None, None, None
)),
&*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));
@ -67,15 +88,17 @@ impl MutationRecord {
)
}
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 {
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),