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-rw-r--r--src/components/script/dom/element.rs196
1 files changed, 85 insertions, 111 deletions
diff --git a/src/components/script/dom/element.rs b/src/components/script/dom/element.rs
index 5be2466b80d..b06e3253989 100644
--- a/src/components/script/dom/element.rs
+++ b/src/components/script/dom/element.rs
@@ -7,9 +7,7 @@
use dom::attr::Attr;
use dom::attrlist::AttrList;
use dom::bindings::codegen::ElementBinding;
-use dom::bindings::codegen::InheritTypes::{ElementDerived, HTMLImageElementCast};
-use dom::bindings::codegen::InheritTypes::{HTMLIFrameElementCast, NodeCast};
-use dom::bindings::codegen::InheritTypes::HTMLObjectElementCast;
+use dom::bindings::codegen::InheritTypes::{ElementDerived, NodeCast};
use dom::bindings::js::JS;
use dom::bindings::utils::{Reflectable, Reflector};
use dom::bindings::error::{ErrorResult, Fallible, NamespaceError, InvalidCharacter};
@@ -19,11 +17,9 @@ use dom::clientrect::ClientRect;
use dom::clientrectlist::ClientRectList;
use dom::document::Document;
use dom::eventtarget::{EventTarget, NodeTargetTypeId};
-use dom::htmlimageelement::HTMLImageElement;
-use dom::htmliframeelement::HTMLIFrameElement;
-use dom::htmlobjectelement::HTMLObjectElement;
use dom::node::{ElementNodeTypeId, Node, NodeHelpers, NodeIterator, document_from_node};
use dom::htmlserializer::serialize;
+use dom::virtualmethods::{VirtualMethods, vtable_for};
use layout_interface::{ContentBoxQuery, ContentBoxResponse, ContentBoxesQuery};
use layout_interface::{ContentBoxesResponse, ContentChangedDocumentDamage};
use layout_interface::{MatchSelectorsDocumentDamage};
@@ -202,9 +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;
@@ -216,14 +210,6 @@ pub trait AttributeHandlers {
fn set_uint_attribute(&mut self, name: &str, value: u32);
}
-pub trait AfterSetAttrListener {
- fn AfterSetAttr(&mut self, name: DOMString, value: DOMString);
-}
-
-pub trait BeforeRemoveAttrListener {
- fn BeforeRemoveAttr(&mut self, name: DOMString);
-}
-
impl AttributeHandlers for JS<Element> {
fn get_attribute(&self, namespace: Namespace, name: &str) -> Option<JS<Attr>> {
if self.get().html_element_in_html_document() {
@@ -273,18 +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);
@@ -293,7 +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);
}
}
@@ -379,45 +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());
- }
- _ => ()
- }
-
- //XXXjdm We really need something like a vtable so we can call AfterSetAttr.
- // This hardcoding is awful.
- match node.type_id() {
- ElementNodeTypeId(HTMLImageElementTypeId) => {
- let mut elem: JS<HTMLImageElement> = HTMLImageElementCast::to(self).unwrap();
- elem.AfterSetAttr(local_name.clone(), value.clone());
- }
- ElementNodeTypeId(HTMLIFrameElementTypeId) => {
- let mut elem: JS<HTMLIFrameElement> = HTMLIFrameElementCast::to(self).unwrap();
- elem.AfterSetAttr(local_name.clone(), value.clone());
- }
- ElementNodeTypeId(HTMLObjectElementTypeId) => {
- let mut elem: JS<HTMLObjectElement> = HTMLObjectElementCast::to(self).unwrap();
- elem.AfterSetAttr(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());
@@ -433,7 +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);
@@ -443,39 +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);
- }
- _ => ()
- }
-
- //XXXjdm We really need something like a vtable so we can call BeforeRemoveAttr.
- // This hardcoding is awful.
- match node.type_id() {
- ElementNodeTypeId(HTMLImageElementTypeId) => {
- let mut elem: JS<HTMLImageElement> = HTMLImageElementCast::to(self).unwrap();
- elem.BeforeRemoveAttr(local_name.clone());
- }
- ElementNodeTypeId(HTMLIFrameElementTypeId) => {
- let mut elem: JS<HTMLIFrameElement> = HTMLIFrameElementCast::to(self).unwrap();
- elem.BeforeRemoveAttr(local_name.clone());
- }
- _ => ()
- }
-
- 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() {
@@ -718,13 +632,81 @@ impl Element {
}
}
-pub trait IElement {
- fn bind_to_tree_impl(&self);
- fn unbind_from_tree_impl(&self);
+pub fn get_attribute_parts(name: DOMString) -> (Option<~str>, ~str) {
+ //FIXME: Throw for XML-invalid names
+ //FIXME: Throw for XMLNS-invalid names
+ let (prefix, local_name) = if name.contains(":") {
+ let parts: ~[&str] = name.splitn(':', 1).collect();
+ (Some(parts[0].to_owned()), parts[1].to_owned())
+ } else {
+ (None, name)
+ };
+
+ (prefix, local_name)
}
-impl IElement for JS<Element> {
- fn bind_to_tree_impl(&self) {
+impl VirtualMethods for JS<Element> {
+ fn super_type(&self) -> Option<~VirtualMethods:> {
+ 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);
+ }
+
+ fn bind_to_tree(&mut self) {
+ match self.super_type() {
+ Some(ref mut s) => s.bind_to_tree(),
+ _ => (),
+ }
+
match self.get_attribute(Null, "id") {
Some(attr) => {
let mut doc = document_from_node(self);
@@ -734,7 +716,12 @@ impl IElement for JS<Element> {
}
}
- fn unbind_from_tree_impl(&self) {
+ fn unbind_from_tree(&mut self) {
+ match self.super_type() {
+ Some(ref mut s) => s.unbind_from_tree(),
+ _ => (),
+ }
+
match self.get_attribute(Null, "id") {
Some(attr) => {
let mut doc = document_from_node(self);
@@ -744,16 +731,3 @@ impl IElement for JS<Element> {
}
}
}
-
-pub fn get_attribute_parts(name: DOMString) -> (Option<~str>, ~str) {
- //FIXME: Throw for XML-invalid names
- //FIXME: Throw for XMLNS-invalid names
- let (prefix, local_name) = if name.contains(":") {
- let parts: ~[&str] = name.splitn(':', 1).collect();
- (Some(parts[0].to_owned()), parts[1].to_owned())
- } else {
- (None, name)
- };
-
- (prefix, local_name)
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-29 21:26:50 +0000