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Format script component

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chansuke 2018-09-18 23:24:15 +09:00 • committed by Josh Matthews
parent 2ca7a13473
commit c37a345dc9
357 changed files with 25485 additions and 18076 deletions
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128
components/script/dom/mutationobserver.rs
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@ -31,10 +31,20 @@ pub struct MutationObserver {
}
pub enum Mutation<'a> {
Attribute { name: LocalName, namespace: Namespace, old_value: Option<DOMString> },
CharacterData { old_value: DOMString },
ChildList { added: Option<&'a [&'a Node]>, removed: Option<&'a [&'a Node]>,
prev: Option<&'a Node>, next: Option<&'a Node> },
Attribute {
name: LocalName,
namespace: Namespace,
old_value: Option<DOMString>,
},
CharacterData {
old_value: DOMString,
},
ChildList {
added: Option<&'a [&'a Node]>,
removed: Option<&'a [&'a Node]>,
prev: Option<&'a Node>,
next: Option<&'a Node>,
},
}
#[derive(JSTraceable, MallocSizeOf)]
@ -69,7 +79,10 @@ impl MutationObserver {
}
}
pub fn Constructor(global: &Window, callback: Rc<MutationCallback>) -> Fallible<DomRoot<MutationObserver>> {
pub fn Constructor(
global: &Window,
callback: Rc<MutationCallback>,
) -> Fallible<DomRoot<MutationObserver>> {
global.set_exists_mut_observer();
let observer = MutationObserver::new(global, callback);
ScriptThread::add_mutation_observer(&*observer);
@ -101,7 +114,9 @@ impl MutationObserver {
mo.record_queue.borrow_mut().clear();
// TODO: Step 5.3 Remove all transient registered observers whose observer is mo.
if !queue.is_empty() {
let _ = mo.callback.Call_(&**mo, queue, &**mo, ExceptionHandling::Report);
let _ = mo
.callback
.Call_(&**mo, queue, &**mo, ExceptionHandling::Report);
}
}
// TODO: Step 6 (slot signals)
@ -123,7 +138,11 @@ impl MutationObserver {
}
match attr_type {
Mutation::Attribute { ref name, ref namespace, ref old_value } => {
Mutation::Attribute {
ref name,
ref namespace,
ref old_value,
} => {
// Step 3.1
if !registered.options.attributes {
continue;
@ -132,8 +151,12 @@ impl MutationObserver {
if *namespace != ns!() {
continue;
}
if !registered.options.attribute_filter.iter()
.any(|s| &**s == &**name) {
if !registered
.options
.attribute_filter
.iter()
.any(|s| &**s == &**name)
{
continue;
}
}
@ -144,13 +167,14 @@ impl MutationObserver {
None
};
// Step 3.1.1
let idx = interested_observers.iter().position(|&(ref o, _)|
&**o as *const _ == &*registered.observer as *const _);
let idx = interested_observers.iter().position(|&(ref o, _)| {
&**o as *const _ == &*registered.observer as *const _
});
if let Some(idx) = idx {
interested_observers[idx].1 = paired_string;
} else {
interested_observers.push((DomRoot::from_ref(&*registered.observer),
paired_string));
interested_observers
.push((DomRoot::from_ref(&*registered.observer), paired_string));
}
},
Mutation::CharacterData { ref old_value } => {
@ -164,13 +188,14 @@ impl MutationObserver {
None
};
// Step 3.1.1
let idx = interested_observers.iter().position(|&(ref o, _)|
&**o as *const _ == &*registered.observer as *const _);
let idx = interested_observers.iter().position(|&(ref o, _)| {
&**o as *const _ == &*registered.observer as *const _
});
if let Some(idx) = idx {
interested_observers[idx].1 = paired_string;
} else {
interested_observers.push((DomRoot::from_ref(&*registered.observer),
paired_string));
interested_observers
.push((DomRoot::from_ref(&*registered.observer), paired_string));
}
},
Mutation::ChildList { .. } => {
@ -178,7 +203,7 @@ impl MutationObserver {
continue;
}
interested_observers.push((DomRoot::from_ref(&*registered.observer), None));
}
},
}
}
}
@ -187,7 +212,11 @@ impl MutationObserver {
for (observer, paired_string) in interested_observers {
// Steps 4.1-4.7
let record = match attr_type {
Mutation::Attribute { ref name, ref namespace, .. } => {
Mutation::Attribute {
ref name,
ref namespace,
..
} => {
let namespace = if *namespace != ns!() {
Some(namespace)
} else {
@ -197,10 +226,13 @@ impl MutationObserver {
},
Mutation::CharacterData { .. } => {
MutationRecord::character_data_mutated(target, paired_string)
}
Mutation::ChildList { ref added, ref removed, ref next, ref prev } => {
MutationRecord::child_list_mutated(target, *added, *removed, *next, *prev)
}
},
Mutation::ChildList {
ref added,
ref removed,
ref next,
ref prev,
} => MutationRecord::child_list_mutated(target, *added, *removed, *next, *prev),
};
// Step 4.8
observer.record_queue.borrow_mut().push(record);
@ -209,7 +241,6 @@ impl MutationObserver {
// Step 5
MutationObserver::queue_mutation_observer_compound_microtask();
}
}
impl MutationObserverMethods for MutationObserver {
@ -225,7 +256,8 @@ impl MutationObserverMethods for MutationObserver {
// Step 1
if (options.attributeOldValue.is_some() || options.attributeFilter.is_some()) &&
options.attributes.is_none() {
options.attributes.is_none()
{
attributes = true;
}
@ -236,29 +268,39 @@ impl MutationObserverMethods for MutationObserver {
// Step 3
if !child_list && !attributes && !character_data {
return Err(Error::Type("One of childList, attributes, or characterData must be true".into()));
return Err(Error::Type(
"One of childList, attributes, or characterData must be true".into(),
));
}
// Step 4
if attribute_old_value && !attributes {
return Err(Error::Type("attributeOldValue is true but attributes is false".into()));
return Err(Error::Type(
"attributeOldValue is true but attributes is false".into(),
));
}
// Step 5
if options.attributeFilter.is_some() && !attributes {
return Err(Error::Type("attributeFilter is present but attributes is false".into()));
return Err(Error::Type(
"attributeFilter is present but attributes is false".into(),
));
}
// Step 6
if character_data_old_value && !character_data {
return Err(Error::Type("characterDataOldValue is true but characterData is false".into()));
return Err(Error::Type(
"characterDataOldValue is true but characterData is false".into(),
));
}
// Step 7
let add_new_observer = {
let mut replaced = false;
for registered in &mut *target.registered_mutation_observers() {
if &*registered.observer as *const MutationObserver != self as *const MutationObserver {
if &*registered.observer as *const MutationObserver !=
self as *const MutationObserver
{
continue;
}
// TODO: remove matching transient registered observers
@ -276,18 +318,20 @@ impl MutationObserverMethods for MutationObserver {
// Step 8
if add_new_observer {
target.registered_mutation_observers().push(RegisteredObserver {
observer: DomRoot::from_ref(self),
options: ObserverOptions {
attributes,
attribute_old_value,
character_data,
character_data_old_value,
subtree,
attribute_filter,
child_list
},
});
target
.registered_mutation_observers()
.push(RegisteredObserver {
observer: DomRoot::from_ref(self),
options: ObserverOptions {
attributes,
attribute_old_value,
character_data,
character_data_old_value,
subtree,
attribute_filter,
child_list,
},
});
self.node_list.borrow_mut().push(DomRoot::from_ref(target));
}