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Integrate Element's after_set/remove behaviour into the virtual method hierarchy.

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Josh Matthews 2014-04-10 09:03:42 +02:00 • committed by Ms2ger
parent ca6cfb5bca
commit f5d1907195
1 changed files with 54 additions and 50 deletions
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104
src/components/script/dom/element.rs
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@ -198,9 +198,7 @@ pub trait AttributeHandlers {
fn SetAttributeNS(&mut self, namespace_url: Option<DOMString>,
name: DOMString, value: DOMString) -> ErrorResult;
fn after_set_attr_(&mut self, local_name: DOMString, value: DOMString);
fn remove_attribute(&mut self, namespace: Namespace, name: DOMString) -> ErrorResult;
fn before_remove_attr_(&mut self, local_name: DOMString, old_value: DOMString);
fn notify_attribute_changed(&self, local_name: DOMString);
fn has_class(&self, name: &str) -> bool;
@ -261,18 +259,18 @@ impl AttributeHandlers for JS<Element> {
fn do_set_attribute(&mut self, local_name: DOMString, value: DOMString,
name: DOMString, namespace: Namespace,
prefix: Option<DOMString>, cb: |&JS<Attr>| -> bool) {
let node: JS<Node> = NodeCast::from(self);
let idx = self.get().attrs.iter().position(cb);
match idx {
Some(idx) => {
if namespace == namespace::Null {
let old_value = self.get().attrs[idx].get().Value();
self.before_remove_attr_(local_name.clone(), old_value);
vtable_for(&node).before_remove_attr(local_name.clone(), old_value);
}
self.get_mut().attrs[idx].get_mut().set_value(value.clone());
}
None => {
let node: JS<Node> = NodeCast::from(self);
let doc = node.get().owner_doc().get();
let new_attr = Attr::new(&doc.window, local_name.clone(), value.clone(),
name, namespace.clone(), prefix);
@ -281,7 +279,7 @@ impl AttributeHandlers for JS<Element> {
}
if namespace == namespace::Null {
self.after_set_attr_(local_name, value);
vtable_for(&node).after_set_attr(local_name, value);
}
}
@ -367,29 +365,6 @@ impl AttributeHandlers for JS<Element> {
Ok(())
}
fn after_set_attr_(&mut self, local_name: DOMString, value: DOMString) {
let node: JS<Node> = NodeCast::from(self);
match local_name.as_slice() {
"style" => {
let doc = node.get().owner_doc();
let base_url = doc.get().url().clone();
self.get_mut().style_attribute = Some(style::parse_style_attribute(value, &base_url))
}
"id" if node.is_in_doc() => {
// XXX: this dual declaration are workaround to avoid the compile error:
// "borrowed value does not live long enough"
let mut doc = node.get().owner_doc().clone();
let doc = doc.get_mut();
doc.register_named_element(self, value.clone());
}
_ => ()
}
vtable_for(&node).after_set_attr(local_name.clone(), value.clone());
self.notify_attribute_changed(local_name);
}
fn remove_attribute(&mut self, namespace: Namespace, name: DOMString) -> ErrorResult {
let (_, local_name) = get_attribute_parts(name.clone());
@ -405,7 +380,7 @@ impl AttributeHandlers for JS<Element> {
Some(idx) => {
if namespace == namespace::Null {
let removed_raw_value = self.get().attrs[idx].get().Value();
self.before_remove_attr_(local_name, removed_raw_value);
vtable_for(&node).before_remove_attr(local_name.clone(), removed_raw_value);
}
self.get_mut().attrs.remove(idx);
@ -415,27 +390,6 @@ impl AttributeHandlers for JS<Element> {
Ok(())
}
fn before_remove_attr_(&mut self, local_name: DOMString, old_value: DOMString) {
let node: JS<Node> = NodeCast::from(self);
match local_name.as_slice() {
"style" => {
self.get_mut().style_attribute = None
}
"id" if node.is_in_doc() => {
// XXX: this dual declaration are workaround to avoid the compile error:
// "borrowed value does not live long enough"
let mut doc = node.get().owner_doc().clone();
let doc = doc.get_mut();
doc.unregister_named_element(self, old_value.clone());
}
_ => ()
}
vtable_for(&node).before_remove_attr(local_name.clone(), old_value);
self.notify_attribute_changed(local_name);
}
fn notify_attribute_changed(&self, local_name: DOMString) {
let node: JS<Node> = NodeCast::from(self);
if node.is_in_doc() {
@ -723,4 +677,54 @@ impl VirtualMethods for JS<Element> {
let node: JS<Node> = NodeCast::from(self);
Some(~node as ~VirtualMethods:)
}
fn after_set_attr(&mut self, name: DOMString, value: DOMString) {
match self.super_type() {
Some(ref mut s) => s.after_set_attr(name.clone(), value.clone()),
_ => (),
}
let node: JS<Node> = NodeCast::from(self);
match name.as_slice() {
"style" => {
let doc = node.get().owner_doc();
let base_url = doc.get().url().clone();
self.get_mut().style_attribute = Some(style::parse_style_attribute(value, &base_url))
}
"id" if node.is_in_doc() => {
// XXX: this dual declaration are workaround to avoid the compile error:
// "borrowed value does not live long enough"
let mut doc = node.get().owner_doc().clone();
let doc = doc.get_mut();
doc.register_named_element(self, value.clone());
}
_ => ()
}
self.notify_attribute_changed(name);
}
fn before_remove_attr(&mut self, name: DOMString, value: DOMString) {
match self.super_type() {
Some(ref mut s) => s.before_remove_attr(name.clone(), value.clone()),
_ => (),
}
let node: JS<Node> = NodeCast::from(self);
match name.as_slice() {
"style" => {
self.get_mut().style_attribute = None
}
"id" if node.is_in_doc() => {
// XXX: this dual declaration are workaround to avoid the compile error:
// "borrowed value does not live long enough"
let mut doc = node.get().owner_doc().clone();
let doc = doc.get_mut();
doc.unregister_named_element(self, value);
}
_ => ()
}
self.notify_attribute_changed(name);
}
}