1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/* 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::NodeListBinding;
use dom::bindings::utils::{Reflectable, Reflector, reflect_dom_object};
use dom::node::AbstractNode;
use dom::window::Window;
enum NodeListType {
Simple(~[AbstractNode]),
Children(AbstractNode)
}
pub struct NodeList {
list_type: NodeListType,
reflector_: Reflector,
window: @mut Window,
}
impl NodeList {
pub fn new_inherited(window: @mut Window,
list_type: NodeListType) -> NodeList {
NodeList {
list_type: list_type,
reflector_: Reflector::new(),
window: window,
}
}
pub fn new(window: @mut Window,
list_type: NodeListType) -> @mut NodeList {
reflect_dom_object(@mut NodeList::new_inherited(window, list_type),
window, NodeListBinding::Wrap)
}
pub fn new_simple_list(window: @mut Window, elements: ~[AbstractNode]) -> @mut NodeList {
NodeList::new(window, Simple(elements))
}
pub fn new_child_list(window: @mut Window, node: AbstractNode) -> @mut NodeList {
NodeList::new(window, Children(node))
}
pub fn Length(&self) -> u32 {
match self.list_type {
Simple(ref elems) => elems.len() as u32,
Children(ref node) => node.children().len() as u32
}
}
pub fn Item(&self, index: u32) -> Option<AbstractNode> {
match self.list_type {
_ if index >= self.Length() => None,
Simple(ref elems) => Some(elems[index]),
Children(ref node) => node.children().nth(index as uint)
}
}
pub fn IndexedGetter(&self, index: u32, found: &mut bool) -> Option<AbstractNode> {
let item = self.Item(index);
*found = item.is_some();
item
}
}
impl Reflectable for NodeList {
fn reflector<'a>(&'a self) -> &'a Reflector {
&self.reflector_
}
fn mut_reflector<'a>(&'a mut self) -> &'a mut Reflector {
&mut self.reflector_
}
}
|
