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auto merge of #1819 : Ms2ger/servo/createHTMLCollection-JS, r=jdm

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bors-servo 2014-03-05 10:19:31 -05:00
commit 81ef420e3f
1 changed files with 44 additions and 28 deletions
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72
src/components/script/dom/document.rs
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@ -213,7 +213,7 @@ impl Document {
// http://dom.spec.whatwg.org/#dom-document-getelementsbytagname
pub fn GetElementsByTagName(&self, tag: DOMString) -> JS<HTMLCollection> {
self.createHTMLCollection(|elem| elem.tag_name == tag)
self.createHTMLCollection(|elem| elem.get().tag_name == tag)
}
// http://dom.spec.whatwg.org/#dom-nonelementparentnode-getelementbyid
@ -405,19 +405,24 @@ impl Document {
// http://www.whatwg.org/specs/web-apps/current-work/#dom-document-getelementsbyname
pub fn GetElementsByName(&self, name: DOMString) -> JS<NodeList> {
self.createNodeList(|elem| {
elem.get_attribute(Null, "name").map_default(false, |attr| {
self.createNodeList(|node| {
if !node.is_element() {
return false;
}
let element: JS<Element> = ElementCast::to(node);
element.get().get_attribute(Null, "name").map_default(false, |attr| {
attr.get().value_ref() == name
})
})
}
pub fn Images(&self) -> JS<HTMLCollection> {
self.createHTMLCollection(|elem| "img" == elem.tag_name)
self.createHTMLCollection(|elem| "img" == elem.get().tag_name)
}
pub fn Embeds(&self) -> JS<HTMLCollection> {
self.createHTMLCollection(|elem| "embed" == elem.tag_name)
self.createHTMLCollection(|elem| "embed" == elem.get().tag_name)
}
pub fn Plugins(&self) -> JS<HTMLCollection> {
@ -426,60 +431,71 @@ impl Document {
pub fn Links(&self) -> JS<HTMLCollection> {
self.createHTMLCollection(|elem| {
("a" == elem.tag_name || "area" == elem.tag_name) &&
elem.get_attribute(Null, "href").is_some()
("a" == elem.get().tag_name || "area" == elem.get().tag_name) &&
elem.get().get_attribute(Null, "href").is_some()
})
}
pub fn Forms(&self) -> JS<HTMLCollection> {
self.createHTMLCollection(|elem| "form" == elem.tag_name)
self.createHTMLCollection(|elem| "form" == elem.get().tag_name)
}
pub fn Scripts(&self) -> JS<HTMLCollection> {
self.createHTMLCollection(|elem| "script" == elem.tag_name)
self.createHTMLCollection(|elem| "script" == elem.get().tag_name)
}
pub fn Anchors(&self) -> JS<HTMLCollection> {
self.createHTMLCollection(|elem| {
"a" == elem.tag_name && elem.get_attribute(Null, "name").is_some()
"a" == elem.get().tag_name &&
elem.get().get_attribute(Null, "name").is_some()
})
}
pub fn Applets(&self) -> JS<HTMLCollection> {
// FIXME: This should be return OBJECT elements containing applets.
self.createHTMLCollection(|elem| "applet" == elem.tag_name)
self.createHTMLCollection(|elem| "applet" == elem.get().tag_name)
}
pub fn create_collection(&self, callback: |elem: &Element| -> bool) -> ~[JS<Element>] {
let mut elements = ~[];
pub fn create_collection<T>(&self, callback: |elem: &JS<Node>| -> Option<JS<T>>) -> ~[JS<T>] {
let mut nodes = ~[];
match self.GetDocumentElement() {
None => {},
Some(root) => {
let root: JS<Node> = NodeCast::from(&root);
for child in root.traverse_preorder() {
if child.is_element() {
let elem: JS<Element> = ElementCast::to(&child);
if callback(elem.get()) {
elements.push(elem);
}
match callback(&child) {
Some(node) => nodes.push(node),
None => (),
}
}
}
}
elements
nodes
}
pub fn createHTMLCollection(&self, callback: |elem: &Element| -> bool) -> JS<HTMLCollection> {
HTMLCollection::new(&self.window, self.create_collection(callback))
pub fn createHTMLCollection(&self, callback: |elem: &JS<Element>| -> bool) -> JS<HTMLCollection> {
HTMLCollection::new(&self.window, self.create_collection(|node| {
if !node.is_element() {
return None;
}
let element: JS<Element> = ElementCast::to(node);
if !callback(&element) {
return None;
}
Some(element)
}))
}
pub fn createNodeList(&self, callback: |elem: &Element| -> bool) -> JS<NodeList> {
let elements = self.create_collection(callback);
let nodes = elements.map(|element| {
let node: JS<Node> = NodeCast::from(element);
node
});
NodeList::new_simple_list(&self.window, nodes)
pub fn createNodeList(&self, callback: |node: &JS<Node>| -> bool) -> JS<NodeList> {
NodeList::new_simple_list(&self.window, self.create_collection(|node| {
if !callback(node) {
return None;
}
Some(node.clone())
}))
}
pub fn content_changed(&self) {