forked from mirrors/gecko-dev
3d0a04c20a
This is a start towards fixing #3868. Not all callers have been fixed yet, so the `Deref` implementation remains for now. Source-Repo: https://github.com/servo/servo Source-Revision: 141b5d038fad3c0c44a6f1b309b8ca9edea54580
78 lines
2.5 KiB
Rust
78 lines
2.5 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
use dom::bindings::codegen::Bindings::NodeListBinding;
|
|
use dom::bindings::codegen::Bindings::NodeListBinding::NodeListMethods;
|
|
use dom::bindings::global::GlobalRef;
|
|
use dom::bindings::js::{JS, JSRef, Temporary};
|
|
use dom::bindings::utils::{Reflector, reflect_dom_object};
|
|
use dom::node::{Node, NodeHelpers};
|
|
use dom::window::Window;
|
|
|
|
#[jstraceable]
|
|
#[must_root]
|
|
pub enum NodeListType {
|
|
Simple(Vec<JS<Node>>),
|
|
Children(JS<Node>)
|
|
}
|
|
|
|
#[dom_struct]
|
|
pub struct NodeList {
|
|
reflector_: Reflector,
|
|
list_type: NodeListType,
|
|
}
|
|
|
|
impl NodeList {
|
|
fn new_inherited(list_type: NodeListType) -> NodeList {
|
|
NodeList {
|
|
reflector_: Reflector::new(),
|
|
list_type: list_type,
|
|
}
|
|
}
|
|
|
|
pub fn new(window: JSRef<Window>,
|
|
list_type: NodeListType) -> Temporary<NodeList> {
|
|
reflect_dom_object(box NodeList::new_inherited(list_type),
|
|
GlobalRef::Window(window), NodeListBinding::Wrap)
|
|
}
|
|
|
|
pub fn new_simple_list(window: JSRef<Window>, elements: Vec<JSRef<Node>>) -> Temporary<NodeList> {
|
|
NodeList::new(window, NodeListType::Simple(elements.iter().map(|element| JS::from_rooted(*element)).collect()))
|
|
}
|
|
|
|
pub fn new_child_list(window: JSRef<Window>, node: JSRef<Node>) -> Temporary<NodeList> {
|
|
NodeList::new(window, NodeListType::Children(JS::from_rooted(node)))
|
|
}
|
|
}
|
|
|
|
impl<'a> NodeListMethods for JSRef<'a, NodeList> {
|
|
fn Length(self) -> u32 {
|
|
match self.list_type {
|
|
NodeListType::Simple(ref elems) => elems.len() as u32,
|
|
NodeListType::Children(ref node) => {
|
|
let node = node.root();
|
|
node.r().children().count() as u32
|
|
}
|
|
}
|
|
}
|
|
|
|
fn Item(self, index: u32) -> Option<Temporary<Node>> {
|
|
match self.list_type {
|
|
_ if index >= self.Length() => None,
|
|
NodeListType::Simple(ref elems) => Some(Temporary::new(elems[index as uint].clone())),
|
|
NodeListType::Children(ref node) => {
|
|
let node = node.root();
|
|
node.r().children().nth(index as uint)
|
|
.map(|child| Temporary::from_rooted(child))
|
|
}
|
|
}
|
|
}
|
|
|
|
fn IndexedGetter(self, index: u32, found: &mut bool) -> Option<Temporary<Node>> {
|
|
let item = self.Item(index);
|
|
*found = item.is_some();
|
|
item
|
|
}
|
|
}
|
|
|